Add capability-first account and calendar setup flow

Wino.Authentication/GmailAuthenticator.cs

@@ -45,6 +45,6 @@ public class GmailAuthenticator : BaseAuthenticator, IGmailAuthenticator
         return GoogleWebAuthorizationBroker.AuthorizeAsync(new ClientSecrets()
         {
             ClientId = ClientId
-        }, AuthenticatorConfig.GmailScope, account.Id.ToString(), CancellationToken.None, new FileDataStore(AuthenticatorConfig.GmailTokenStoreIdentifier));
+        }, AuthenticatorConfig.GetGmailScope(account?.IsMailAccessGranted != false, account?.IsCalendarAccessGranted == true), account.Id.ToString(), CancellationToken.None, new FileDataStore(AuthenticatorConfig.GmailTokenStoreIdentifier));
     }
 }

Wino.Authentication/OutlookAuthenticator.cs

@@ -65,7 +65,10 @@ public class OutlookAuthenticator : BaseAuthenticator, IOutlookAuthenticator
         _publicClientApplication = outlookAppBuilder.Build();
     }
 
-    public string[] Scope => AuthenticatorConfig.OutlookScope;
+    private string[] GetScope(MailAccount account)
+        => AuthenticatorConfig.GetOutlookScope(
+            account?.IsMailAccessGranted != false,
+            account?.IsCalendarAccessGranted == true);
 
     private async Task EnsureTokenCacheAttachedAsync()
     {
@@ -91,7 +94,7 @@ public class OutlookAuthenticator : BaseAuthenticator, IOutlookAuthenticator
 
         try
         {
-            var authResult = await _publicClientApplication.AcquireTokenSilent(Scope, storedAccount).ExecuteAsync();
+            var authResult = await _publicClientApplication.AcquireTokenSilent(GetScope(account), storedAccount).ExecuteAsync();
 
             return new TokenInformationEx(authResult.AccessToken, authResult.Account.Username);
         }
@@ -122,7 +125,7 @@ public class OutlookAuthenticator : BaseAuthenticator, IOutlookAuthenticator
             if (_nativeAppService.GetCoreWindowHwnd == null) throw new AuthenticationAttentionException(account);
 
             AuthenticationResult authResult = await _publicClientApplication
-                .AcquireTokenInteractive(Scope)
+                .AcquireTokenInteractive(GetScope(account))
                 .ExecuteAsync();
 
             // If the account is null, it means it's the initial creation of it.

Wino.Calendar.ViewModels/CalendarAppShellViewModel.cs

@@ -299,6 +299,9 @@ public partial class CalendarAppShellViewModel : CalendarBaseViewModel,
 
         foreach (var account in accounts)
         {
+            if (!GroupedAccountCalendarViewModel.SupportsCalendar(account))
+                continue;
+
             var accountCalendars = await _calendarService.GetAccountCalendarsAsync(account.Id).ConfigureAwait(false);
             var calendarViewModels = accountCalendars.Select(calendar => new AccountCalendarViewModel(account, calendar)).ToList();
             var groupedAccountCalendarViewModel = new GroupedAccountCalendarViewModel(account, calendarViewModels);

Wino.Calendar.ViewModels/CalendarEventComposePageViewModel.cs

@@ -408,6 +408,9 @@ public partial class CalendarEventComposePageViewModel : CalendarBaseViewModel
 
         foreach (var account in accounts)
         {
+            if (!GroupedAccountCalendarViewModel.SupportsCalendar(account))
+                continue;
+
             var calendars = await _calendarService.GetAccountCalendarsAsync(account.Id).ConfigureAwait(false);
             var viewModels = calendars
                 .Select(calendar => new AccountCalendarViewModel(account, calendar))

Wino.Calendar.ViewModels/Data/GroupedAccountCalendarViewModel.cs

@@ -17,6 +17,9 @@ public partial class GroupedAccountCalendarViewModel : ObservableObject
     public MailAccount Account { get; }
     public ObservableCollection<AccountCalendarViewModel> AccountCalendars { get; }
 
+    public static bool SupportsCalendar(MailAccount account)
+        => account?.IsCalendarAccessGranted == true;
+
     public GroupedAccountCalendarViewModel(MailAccount account, IEnumerable<AccountCalendarViewModel> calendarViewModels)
     {
         Account = account;

Wino.Core.Domain/Entities/Shared/MailAccount.cs

@@ -78,6 +78,13 @@ public class MailAccount
     /// </summary>
     public SpecialImapProvider SpecialImapProvider { get; set; }
 
+    /// <summary>
+    /// Gets or sets whether mail access is granted for this account.
+    /// When false, mail folders, aliases, compose flows, and mail synchronization are unavailable.
+    /// Default is true for legacy accounts to preserve existing behavior.
+    /// </summary>
+    public bool IsMailAccessGranted { get; set; } = true;
+
     /// <summary>
     /// Gets or sets whether calendar access is granted for this account.
     /// When false, synchronizers will not process EventMessages or calendar invitations.

Wino.Core.Domain/Interfaces/IAuthenticatorConfig.cs

@@ -3,8 +3,8 @@
 public interface IAuthenticatorConfig
 {
     string OutlookAuthenticatorClientId { get; }
-    string[] OutlookScope { get; }
+    string[] GetOutlookScope(bool isMailAccessGranted, bool isCalendarAccessGranted);
     string GmailAuthenticatorClientId { get; }
-    string[] GmailScope { get; }
+    string[] GetGmailScope(bool isMailAccessGranted, bool isCalendarAccessGranted);
     string GmailTokenStoreIdentifier { get; }
 }

Wino.Core.Domain/Models/Accounts/AccountCreationDialogResult.cs

@@ -7,4 +7,6 @@ public record AccountCreationDialogResult(
     string AccountName,
     SpecialImapProviderDetails SpecialImapProviderDetails,
     string AccountColorHex,
-    InitialSynchronizationRange InitialSynchronizationRange);
+    InitialSynchronizationRange InitialSynchronizationRange,
+    bool IsMailAccessGranted,
+    bool IsCalendarAccessGranted);

Wino.Core.Domain/Translations/en_US/resources.json

@@ -47,6 +47,11 @@
     "AccountDetailsPage_CalendarListDescription": "Select a calendar to configure its settings",
     "AccountDetailsPage_InitialSynchronization_Title": "Initial synchronization",
     "AccountDetailsPage_InitialSynchronization_Description": "Wino synchronized your mails until {0} going back.",
+    "AccountDetailsPage_CapabilityTitle": "Connected features",
+    "AccountDetailsPage_CapabilityDescription": "Choose whether this account is used for mail, calendar, or both. Enabling a new feature may ask you to sign in again.",
+    "AccountCapability_MailOnly": "Mail only",
+    "AccountCapability_CalendarOnly": "Calendar only",
+    "AccountCapability_MailAndCalendar": "Mail + Calendar",
     "AddHyperlink": "Add",
     "AppCloseBackgroundSynchronizationWarningTitle": "Background Synchronization",
     "AppCloseStartupLaunchDisabledWarningMessageFirstLine": "Application has not been set to launch on Windows startup.",
@@ -76,6 +81,7 @@
     "Buttons_ApplyTheme": "Apply Theme",
     "Buttons_PopOut": "Pop out",
     "Buttons_Browse": "Browse",
+    "Buttons_Back": "Back",
     "Buttons_Cancel": "Cancel",
     "Buttons_Close": "Close",
     "Buttons_Copy": "Copy",
@@ -681,6 +687,10 @@
     "NoMailSelected": "No message selected",
     "NoMessageCrieteria": "No messages match your search criteria",
     "NoMessageEmptyFolder": "This folder is empty",
+    "MailEmptyState_Title": "No mail-enabled accounts",
+    "MailEmptyState_Message": "You have accounts connected for calendar, but none of them are enabled for mail. Add a mail account or update an existing account to use mail.",
+    "MailEmptyState_AddAccount": "Add account",
+    "MailEmptyState_ManageAccounts": "Manage accounts",
     "Notifications_MultipleNotificationsMessage": "You have {0} new messages.",
     "Notifications_MultipleNotificationsTitle": "New Mail",
     "Notifications_WinoUpdatedMessage": "Checkout new version {0}",
@@ -702,8 +712,8 @@
     "ProviderDetail_Gmail_Description": "Google Account",
     "ProviderDetail_iCloud_Description": "Apple iCloud Account",
     "ProviderDetail_iCloud_Title": "iCloud",
-    "ProviderDetail_IMAP_Description": "Custom IMAP/SMTP server",
+    "ProviderDetail_IMAP_Description": "IMAP/SMTP mail with CalDAV or local calendar",
-    "ProviderDetail_IMAP_Title": "IMAP Server",
+    "ProviderDetail_IMAP_Title": "Custom server",
     "ProviderDetail_Yahoo_Description": "Yahoo Account",
     "ProviderDetail_Yahoo_Title": "Yahoo Mail",
     "QuickEventDialog_EventName": "Event name",
@@ -1427,8 +1437,8 @@
     "WinoAccount_Management_ExportDialog_InProgress": "Exporting your selected Wino data...",
     "WinoAccount_Management_LocalDataSectionTitle": "Transfer with a JSON file",
     "WinoAccount_Management_LocalDataSectionDescription": "Import from or export to a local JSON file. Passwords, tokens, and other sensitive information are not included.",
-    "WinoAccount_Management_LocalDataImportAction": "Import JSON",
+    "WinoAccount_Management_LocalDataImportAction": "Import",
-    "WinoAccount_Management_LocalDataExportAction": "Export JSON",
+    "WinoAccount_Management_LocalDataExportAction": "Export",
     "WinoAccount_Management_LocalDataSaved": "Saved your exported Wino data to {0}.",
     "WinoAccount_Management_LocalDataInvalidFile": "The selected JSON file doesn't contain a valid Wino export.",
     "WinoAccount_Management_LoadFailed": "Wino could not load the latest Wino Account information.",
@@ -1527,8 +1537,22 @@
     "WelcomeWizard_Step3Title": "Finish Setup",
     "ProviderSelection_Title": "Choose your email provider",
     "ProviderSelection_Subtitle": "Select a provider below to add your email account to Wino Mail.",
+    "ProviderSelection_StepProgress": "Step {0} of 3",
+    "ProviderSelection_IdentityTitle": "Account identity",
+    "ProviderSelection_IdentityDescription": "Choose how this account appears inside Wino.",
+    "ProviderSelection_ProviderSectionTitle": "Provider",
+    "ProviderSelection_ProviderSectionDescription": "Select the service you want to connect.",
+    "ProviderSelection_CapabilitySectionTitle": "Use this account for",
+    "ProviderSelection_CapabilitySectionDescription": "Choose whether you want mail, calendar, or both.",
+    "ProviderSelection_CapabilityProviderDescription_OAuth": "On the next step, secure sign-in will connect your account. If you enable calendar, Wino will also connect Outlook Calendar or Google Calendar automatically.",
+    "ProviderSelection_CapabilityProviderDescription_SpecialImap": "On the next step, you'll enter your provider credentials. Mail uses IMAP/SMTP, and calendar can use CalDAV or stay local on this device.",
+    "ProviderSelection_CapabilityProviderDescription_CustomServer": "On the next step, you'll enter your server details. Mail uses IMAP/SMTP, and calendar can use CalDAV or stay local on this device.",
     "ProviderSelection_AccountNameHeader": "Account Name",
     "ProviderSelection_AccountNamePlaceholder": "e.g. Personal, Work",
+    "ProviderSelection_UseForMail": "Mail",
+    "ProviderSelection_UseForCalendar": "Calendar",
+    "ProviderSelection_CapabilityValidationMessage": "Choose at least one capability before continuing.",
+    "ProviderSelection_CalendarOnlyServerHint": "If you continue with calendar only, the next page will not require an email address.",
     "ProviderSelection_DisplayNameHeader": "Display Name",
     "ProviderSelection_DisplayNamePlaceholder": "e.g. John Doe",
     "ProviderSelection_EmailHeader": "E-mail Address",

Wino.Core.Tests/AssemblyInfo.cs

@@ -0,0 +1,3 @@
+using Xunit;
+
+[assembly: CollectionBehavior(DisableTestParallelization = true)]

Wino.Core.Tests/Services/AccountServiceTests.cs

@@ -83,7 +83,7 @@ public class AccountServiceTests : IAsyncLifetime
         var secondAccountId = Guid.NewGuid();
 
         await _accountService.CreateAccountAsync(
-            CreateImapAccount(firstAccountId),
+            CreateImapAccount(firstAccountId, "IMAP Test Account 1", "imap1@test.local"),
             new CustomServerInformation
             {
                 Id = Guid.NewGuid(),
@@ -92,7 +92,7 @@ public class AccountServiceTests : IAsyncLifetime
             });
 
         await _accountService.CreateAccountAsync(
-            CreateImapAccount(secondAccountId),
+            CreateImapAccount(secondAccountId, "IMAP Test Account 2", "imap2@test.local"),
             new CustomServerInformation
             {
                 Id = Guid.NewGuid(),
@@ -119,13 +119,13 @@ public class AccountServiceTests : IAsyncLifetime
             .BeGreaterThanOrEqualTo(50);
     }
 
-    private static MailAccount CreateImapAccount(Guid accountId)
+    private static MailAccount CreateImapAccount(Guid accountId, string name = "IMAP Test Account", string address = "imap@test.local")
     {
         return new MailAccount
         {
             Id = accountId,
-            Name = "IMAP Test Account",
+            Name = name,
-            Address = "imap@test.local",
+            Address = address,
             SenderName = "IMAP Test",
             ProviderType = MailProviderType.IMAP4
         };

Wino.Core.Tests/Services/MailRequestStateTests.cs

@@ -13,6 +13,8 @@ public sealed class MailRequestStateTests
     [Fact]
     public void MarkReadRequest_RevertUiChanges_RestoresOriginalReadState()
     {
+        WeakReferenceMessenger.Default.Reset();
+
         var mailCopy = CreateMailCopy(isRead: false, isFlagged: false);
         var request = new MarkReadRequest(mailCopy, IsRead: true);
         var recipient = new MailRequestRecipient();
@@ -35,12 +37,15 @@ public sealed class MailRequestStateTests
         finally
         {
             WeakReferenceMessenger.Default.UnregisterAll(recipient);
+            WeakReferenceMessenger.Default.Reset();
         }
     }
 
     [Fact]
     public void ChangeFlagRequest_RevertUiChanges_RestoresOriginalFlagState()
     {
+        WeakReferenceMessenger.Default.Reset();
+
         var mailCopy = CreateMailCopy(isRead: true, isFlagged: false);
         var request = new ChangeFlagRequest(mailCopy, IsFlagged: true);
         var recipient = new MailRequestRecipient();
@@ -63,6 +68,7 @@ public sealed class MailRequestStateTests
         finally
         {
             WeakReferenceMessenger.Default.UnregisterAll(recipient);
+            WeakReferenceMessenger.Default.Reset();
         }
     }
 

Wino.Core.Tests/Synchronizers/BaseSynchronizerUiChangeTests.cs

@@ -21,6 +21,8 @@ public sealed class BaseSynchronizerUiChangeTests
     [Fact]
     public void ApplyOptimisticUiChanges_UsesBundleUiChangeRequest_ForBatchBundle()
     {
+        WeakReferenceMessenger.Default.Reset();
+
         var folderId = Guid.NewGuid();
         var account = new MailAccount { Id = Guid.NewGuid(), Name = "Test account" };
         var synchronizer = new TestSynchronizer(account);
@@ -48,6 +50,7 @@ public sealed class BaseSynchronizerUiChangeTests
         {
             WeakReferenceMessenger.Default.Unregister<MailStateUpdatedMessage>(recipient);
             WeakReferenceMessenger.Default.Unregister<BulkMailStateUpdatedMessage>(recipient);
+            WeakReferenceMessenger.Default.Reset();
         }
     }
 

Wino.Core.ViewModels/AccountManagementPageViewModelBase.cs

@@ -1,6 +1,7 @@
 using System.Collections.ObjectModel;
 using System.Linq;
 using System.Threading.Tasks;
+using System.Collections.Generic;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using CommunityToolkit.Mvvm.Messaging;
@@ -9,6 +10,7 @@ using Wino.Core.Domain.Entities.Shared;
 using Wino.Core.Domain.Enums;
 using Wino.Core.Domain.Interfaces;
 using Wino.Core.Domain.Models.Navigation;
+using Wino.Core.ViewModels.Data;
 using Wino.Mail.ViewModels.Data;
 using Wino.Messaging.Client.Navigation;
 
@@ -17,6 +19,7 @@ namespace Wino.Core.ViewModels;
 public abstract partial class AccountManagementPageViewModelBase : CoreBaseViewModel
 {
     public ObservableCollection<IAccountProviderDetailViewModel> Accounts { get; set; } = [];
+    public IEnumerable<IAccountProviderDetailViewModel> StartupAccounts => Accounts.Where(IsStartupEligible);
 
     public bool IsPurchasePanelVisible => !HasUnlimitedAccountProduct;
     public bool IsAccountCreationAlmostOnLimit => Accounts != null && Accounts.Count == FREE_ACCOUNT_COUNT - 1;
@@ -130,10 +133,21 @@ public abstract partial class AccountManagementPageViewModelBase : CoreBaseViewM
     private void AccountsChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
     {
         OnPropertyChanged(nameof(HasAccountsDefined));
+        OnPropertyChanged(nameof(StartupAccounts));
     }
 
     private static string GetAccountDetailsTitle(MailAccount account)
         => !string.IsNullOrWhiteSpace(account?.Address)
             ? string.Format(Translator.SettingsAccountDetails_NavigationTitle, account.Address)
             : account?.Name ?? Translator.AccountDetailsPage_Title;
+
+    private static bool IsStartupEligible(IAccountProviderDetailViewModel account)
+    {
+        return account switch
+        {
+            AccountProviderDetailViewModel accountViewModel => accountViewModel.Account.IsMailAccessGranted,
+            MergedAccountProviderDetailViewModel mergedAccountViewModel => mergedAccountViewModel.HoldingAccounts.Any(a => a.Account.IsMailAccessGranted),
+            _ => true
+        };
+    }
 }

Wino.Core.ViewModels/Data/AccountProviderDetailViewModel.cs

@@ -1,5 +1,6 @@
 using System;
 using CommunityToolkit.Mvvm.ComponentModel;
+using Wino.Core.Domain;
 using Wino.Core.Domain.Entities.Shared;
 using Wino.Core.Domain.Interfaces;
 
@@ -9,6 +10,8 @@ public partial class AccountProviderDetailViewModel : ObservableObject, IAccount
 {
 
     [ObservableProperty]
+    [NotifyPropertyChangedFor(nameof(CapabilitySummary))]
+    [NotifyPropertyChangedFor(nameof(DescriptionText))]
     private MailAccount account;
 
     public IProviderDetail ProviderDetail { get; set; }
@@ -20,6 +23,10 @@ public partial class AccountProviderDetailViewModel : ObservableObject, IAccount
     public int Order => Account.Order;
 
     public string StartupEntityAddresses => Account.Address;
+    public string CapabilitySummary => BuildCapabilitySummary(Account);
+    public string DescriptionText => string.IsNullOrWhiteSpace(Account.Address)
+        ? CapabilitySummary
+        : $"{CapabilitySummary} | {Account.Address}";
 
     public int HoldingAccountCount => 1;
 
@@ -30,4 +37,15 @@ public partial class AccountProviderDetailViewModel : ObservableObject, IAccount
         ProviderDetail = providerDetail;
         Account = account;
     }
+
+    private static string BuildCapabilitySummary(MailAccount account)
+    {
+        if (account?.IsMailAccessGranted == true && account.IsCalendarAccessGranted)
+            return Translator.AccountCapability_MailAndCalendar;
+
+        if (account?.IsMailAccessGranted == true)
+            return Translator.AccountCapability_MailOnly;
+
+        return Translator.AccountCapability_CalendarOnly;
+    }
 }

Wino.Mail.ViewModels/AccountDetailsPageViewModel.cs

@@ -17,6 +17,7 @@ using Wino.Core.Domain.Interfaces;
 using Wino.Core.Domain.Models.Accounts;
 using Wino.Core.Domain.Models.Folders;
 using Wino.Core.Domain.Models.Navigation;
+using Wino.Core.Domain.Models.Synchronization;
 using Wino.Core.Misc;
 using Wino.Core.Services;
 using Wino.Core.ViewModels.Data;
@@ -96,8 +97,14 @@ public partial class AccountDetailsPageViewModel : MailBaseViewModel
     [ObservableProperty]
     private bool isTaskbarBadgeEnabled;
 
+    [ObservableProperty]
+    public partial AccountCapabilityOption SelectedCapabilityOption { get; set; }
+
     public bool IsFocusedInboxSupportedForAccount => Account != null && Account.Preferences.IsFocusedInboxEnabled != null;
     public bool IsImapServer => ServerInformation != null;
+    public bool HasMailAccess => Account?.IsMailAccessGranted == true;
+    public bool HasCalendarAccess => Account?.IsCalendarAccessGranted == true;
+    public bool IsOAuthCapabilityEditable => Account?.ProviderType is MailProviderType.Outlook or MailProviderType.Gmail;
     public string ProviderIconPath => Account?.SpecialImapProvider != SpecialImapProvider.None
         ? $"ms-appx:///Assets/Providers/{Account.SpecialImapProvider}.png"
         : $"ms-appx:///Assets/Providers/{Account?.ProviderType}.png";
@@ -130,6 +137,13 @@ public partial class AccountDetailsPageViewModel : MailBaseViewModel
         new ImapConnectionSecurityModel(Core.Domain.Enums.ImapConnectionSecurity.None, Translator.ImapConnectionSecurity_None)
     ];
 
+    public List<AccountCapabilityOption> CapabilityOptions { get; } =
+    [
+        new(true, false, Translator.AccountCapability_MailOnly),
+        new(false, true, Translator.AccountCapability_CalendarOnly),
+        new(true, true, Translator.AccountCapability_MailAndCalendar)
+    ];
+
 
     public AccountDetailsPageViewModel(IMailDialogService dialogService,
         IAccountService accountService,
@@ -262,6 +276,7 @@ public partial class AccountDetailsPageViewModel : MailBaseViewModel
             AccountName = Account.Name;
             SenderName = Account.SenderName;
             ServerInformation = Account.ServerInformation;
+            SelectedCapabilityOption = ResolveCapabilityOption(Account.IsMailAccessGranted, Account.IsCalendarAccessGranted);
 
             IsFocusedInboxEnabled = Account.Preferences.IsFocusedInboxEnabled.GetValueOrDefault();
             AreNotificationsEnabled = Account.Preferences.IsNotificationsEnabled;
@@ -288,7 +303,11 @@ public partial class AccountDetailsPageViewModel : MailBaseViewModel
                 SelectedOutgoingServerConnectionSecurityIndex = AvailableConnectionSecurities.FindIndex(a => a.ImapConnectionSecurity == ServerInformation.OutgoingServerSocketOption);
             }
 
-            SelectedTabIndex = _statePersistanceService.ApplicationMode == WinoApplicationMode.Calendar ? 2 : 1;
+            SelectedTabIndex = _statePersistanceService.ApplicationMode == WinoApplicationMode.Calendar && HasCalendarAccess
+                ? 2
+                : HasMailAccess
+                    ? 1
+                    : 0;
 
             var folderStructures = (await _folderService.GetFolderStructureForAccountAsync(Account.Id, true)).Folders;
 
@@ -382,11 +401,15 @@ public partial class AccountDetailsPageViewModel : MailBaseViewModel
 
     partial void OnAccountChanged(MailAccount value)
     {
+        SelectedCapabilityOption = ResolveCapabilityOption(value?.IsMailAccessGranted == true, value?.IsCalendarAccessGranted == true);
         OnPropertyChanged(nameof(IsFocusedInboxSupportedForAccount));
         OnPropertyChanged(nameof(ProviderIconPath));
         OnPropertyChanged(nameof(Address));
         OnPropertyChanged(nameof(IsInitialSynchronizationSummaryVisible));
         OnPropertyChanged(nameof(InitialSynchronizationSummary));
+        OnPropertyChanged(nameof(HasMailAccess));
+        OnPropertyChanged(nameof(HasCalendarAccess));
+        OnPropertyChanged(nameof(IsOAuthCapabilityEditable));
     }
 
     protected override async void OnPropertyChanged(PropertyChangedEventArgs e)
@@ -417,6 +440,21 @@ public partial class AccountDetailsPageViewModel : MailBaseViewModel
                 Account.Preferences.IsTaskbarBadgeEnabled = IsTaskbarBadgeEnabled;
                 await _accountService.UpdateAccountAsync(Account);
                 break;
+            case nameof(SelectedCapabilityOption) when IsOAuthCapabilityEditable && SelectedCapabilityOption != null:
+                if (Account.IsMailAccessGranted == SelectedCapabilityOption.IsMailAccessGranted &&
+                    Account.IsCalendarAccessGranted == SelectedCapabilityOption.IsCalendarAccessGranted)
+                    break;
+
+                try
+                {
+                    await UpdateOAuthCapabilityAsync(SelectedCapabilityOption);
+                }
+                catch (Exception ex)
+                {
+                    await ExecuteUIThread(() => SelectedCapabilityOption = ResolveCapabilityOption(Account.IsMailAccessGranted, Account.IsCalendarAccessGranted));
+                    _dialogService.InfoBarMessage(Translator.GeneralTitle_Error, ex.Message, InfoBarMessageType.Error);
+                }
+                break;
             case nameof(SelectedPrimaryCalendar) when SelectedPrimaryCalendar != null:
                 foreach (var calendar in AccountCalendars)
                 {
@@ -427,6 +465,111 @@ public partial class AccountDetailsPageViewModel : MailBaseViewModel
                 break;
         }
     }
+
+    private AccountCapabilityOption ResolveCapabilityOption(bool isMailAccessGranted, bool isCalendarAccessGranted)
+        => CapabilityOptions.First(option =>
+            option.IsMailAccessGranted == isMailAccessGranted &&
+            option.IsCalendarAccessGranted == isCalendarAccessGranted);
+
+    private async Task UpdateOAuthCapabilityAsync(AccountCapabilityOption selectedOption)
+    {
+        var previousMailAccess = Account.IsMailAccessGranted;
+        var previousCalendarAccess = Account.IsCalendarAccessGranted;
+        var requiresReauthorization = (selectedOption.IsMailAccessGranted && !previousMailAccess) ||
+                                      (selectedOption.IsCalendarAccessGranted && !previousCalendarAccess);
+
+        try
+        {
+            if (requiresReauthorization)
+            {
+                Account.IsMailAccessGranted = selectedOption.IsMailAccessGranted;
+                Account.IsCalendarAccessGranted = selectedOption.IsCalendarAccessGranted;
+
+                await SynchronizationManager.Instance.HandleAuthorizationAsync(
+                    Account.ProviderType,
+                    Account,
+                    Account.ProviderType == MailProviderType.Gmail);
+            }
+        }
+        catch
+        {
+            Account.IsMailAccessGranted = previousMailAccess;
+            Account.IsCalendarAccessGranted = previousCalendarAccess;
+            throw;
+        }
+
+        Account.IsMailAccessGranted = selectedOption.IsMailAccessGranted;
+        Account.IsCalendarAccessGranted = selectedOption.IsCalendarAccessGranted;
+
+        await _accountService.UpdateAccountAsync(Account);
+
+        if (selectedOption.IsMailAccessGranted && !previousMailAccess)
+        {
+            await SynchronizationManager.Instance.SynchronizeProfileAsync(Account.Id);
+            await SynchronizationManager.Instance.SynchronizeMailAsync(new MailSynchronizationOptions
+            {
+                AccountId = Account.Id,
+                Type = MailSynchronizationType.FullFolders
+            });
+
+            if (Account.ProviderType == MailProviderType.Outlook)
+            {
+                await SynchronizationManager.Instance.SynchronizeMailAsync(new MailSynchronizationOptions
+                {
+                    AccountId = Account.Id,
+                    Type = MailSynchronizationType.Categories
+                });
+            }
+
+            if (!string.IsNullOrWhiteSpace(Account.Address))
+            {
+                var aliases = await _accountService.GetAccountAliasesAsync(Account.Id);
+                var hasRootAlias = aliases.Any(alias => alias.IsRootAlias);
+
+                if (!hasRootAlias)
+                {
+                    await _accountService.CreateRootAliasAsync(Account.Id, Account.Address);
+                }
+            }
+
+            await SynchronizationManager.Instance.SynchronizeMailAsync(new MailSynchronizationOptions
+            {
+                AccountId = Account.Id,
+                Type = MailSynchronizationType.Alias
+            });
+        }
+
+        if (selectedOption.IsCalendarAccessGranted && !previousCalendarAccess)
+        {
+            await SynchronizationManager.Instance.SynchronizeCalendarAsync(new CalendarSynchronizationOptions
+            {
+                AccountId = Account.Id,
+                Type = CalendarSynchronizationType.CalendarMetadata
+            });
+        }
+
+        var refreshedAccount = await _accountService.GetAccountAsync(Account.Id);
+
+        await ExecuteUIThread(() =>
+        {
+            Account = refreshedAccount;
+            AccountName = refreshedAccount.Name;
+            SenderName = refreshedAccount.SenderName;
+            EnsureSelectedTabForCapabilities();
+        });
+    }
+
+    private void EnsureSelectedTabForCapabilities()
+    {
+        if (SelectedTabIndex == 1 && !HasMailAccess)
+        {
+            SelectedTabIndex = HasCalendarAccess ? 2 : 0;
+        }
+        else if (SelectedTabIndex == 2 && !HasCalendarAccess)
+        {
+            SelectedTabIndex = HasMailAccess ? 1 : 0;
+        }
+    }
 }
 
 public sealed class AccountCalendarShowAsOption
@@ -441,6 +584,20 @@ public sealed class AccountCalendarShowAsOption
     }
 }
 
+public sealed class AccountCapabilityOption
+{
+    public bool IsMailAccessGranted { get; }
+    public bool IsCalendarAccessGranted { get; }
+    public string DisplayText { get; }
+
+    public AccountCapabilityOption(bool isMailAccessGranted, bool isCalendarAccessGranted, string displayText)
+    {
+        IsMailAccessGranted = isMailAccessGranted;
+        IsCalendarAccessGranted = isCalendarAccessGranted;
+        DisplayText = displayText;
+    }
+}
+
 public partial class AccountCalendarSettingsItemViewModel : ObservableObject
 {
     public AccountCalendar Calendar { get; }

Wino.Mail.ViewModels/AccountSetupProgressPageViewModel.cs

@@ -71,6 +71,8 @@ public partial class AccountSetupProgressPageViewModel : MailBaseViewModel
     private void BuildSteps()
     {
         Steps.Clear();
+        var shouldSetupMail = WizardContext.IsMailAccessEnabled;
+        var shouldSetupCalendar = WizardContext.IsCalendarAccessEnabled;
 
         if (WizardContext.IsOAuthProvider)
         {
@@ -78,31 +80,47 @@ public partial class AccountSetupProgressPageViewModel : MailBaseViewModel
             {
                 Title = string.Format(Translator.AccountSetup_Step_Authenticating, WizardContext.SelectedProvider.Name)
             });
-            Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_FetchingProfile });
             Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_SavingAccount });
+            if (shouldSetupMail)
+            {
+                Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_FetchingProfile });
                 Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_SyncingFolders });
+
                 if (WizardContext.SelectedProvider.Type == MailProviderType.Outlook)
                 {
                     Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_SyncingCategories });
                 }
-            Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_FetchingCalendarMetadata });
+
                 Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_SyncingAliases });
+            }
+
+            if (shouldSetupCalendar)
+            {
+                Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_FetchingCalendarMetadata });
+            }
+
             Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_Finalizing });
         }
         else if (WizardContext.IsSpecialImapProvider)
+        {
+            if (shouldSetupMail)
             {
                 Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_TestingMailAuth });
+            }
 
-            if (WizardContext.CalendarSupportMode == ImapCalendarSupportMode.CalDav)
+            if (shouldSetupCalendar && WizardContext.CalendarSupportMode == ImapCalendarSupportMode.CalDav)
             {
                 Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_DiscoveringCalDav });
                 Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_TestingCalendarAuth });
             }
 
             Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_SavingAccount });
+            if (shouldSetupMail)
+            {
                 Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_SyncingFolders });
+            }
 
-            if (WizardContext.CalendarSupportMode != ImapCalendarSupportMode.Disabled)
+            if (shouldSetupCalendar && WizardContext.CalendarSupportMode != ImapCalendarSupportMode.Disabled)
             {
                 Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_FetchingCalendarMetadata });
             }
@@ -112,7 +130,10 @@ public partial class AccountSetupProgressPageViewModel : MailBaseViewModel
         else // Generic IMAP
         {
             Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_SavingAccount });
+            if (shouldSetupMail)
+            {
                 Steps.Add(new AccountSetupStepModel { Title = Translator.AccountSetup_Step_SyncingFolders });
+            }
 
             var setupResult = WizardContext.ImapCalDavSetupResult;
             if (setupResult?.IsCalendarAccessGranted == true &&
@@ -186,7 +207,8 @@ public partial class AccountSetupProgressPageViewModel : MailBaseViewModel
                 AccountColorHex = WizardContext.AccountColorHex,
                 CreatedAt = accountCreatedAt,
                 InitialSynchronizationRange = WizardContext.SelectedInitialSynchronizationRange,
-                IsCalendarAccessGranted = true
+                IsMailAccessGranted = WizardContext.IsMailAccessEnabled,
+                IsCalendarAccessGranted = WizardContext.IsCalendarAccessEnabled
             };
 
             if (WizardContext.IsOAuthProvider)
@@ -208,6 +230,8 @@ public partial class AccountSetupProgressPageViewModel : MailBaseViewModel
                 _dbWritten = true;
                 SetCurrentStepSucceeded();
 
+                if (_createdAccount.IsMailAccessGranted)
+                {
                     // Step: Profile
                     SetStepInProgress(Translator.AccountSetup_Step_FetchingProfile);
                     var profileResult = await SynchronizationManager.Instance.SynchronizeProfileAsync(_createdAccount.Id);
@@ -247,11 +271,12 @@ public partial class AccountSetupProgressPageViewModel : MailBaseViewModel
                             throw new Exception(Translator.Exception_FailedToSynchronizeCategories);
                         SetCurrentStepSucceeded();
                     }
+                }
 
                 // Step: Calendar metadata
-                SetStepInProgress(Translator.AccountSetup_Step_FetchingCalendarMetadata);
                 if (_createdAccount.IsCalendarAccessGranted)
                 {
+                    SetStepInProgress(Translator.AccountSetup_Step_FetchingCalendarMetadata);
                     var calResult = await SynchronizationManager.Instance.SynchronizeCalendarAsync(new CalendarSynchronizationOptions
                     {
                         AccountId = _createdAccount.Id,
@@ -259,10 +284,12 @@ public partial class AccountSetupProgressPageViewModel : MailBaseViewModel
                     });
                     if (calResult == null || calResult.CompletedState != SynchronizationCompletedState.Success)
                         throw new Exception(Translator.Exception_FailedToSynchronizeCalendarMetadata);
-                }
                     SetCurrentStepSucceeded();
+                }
 
                 // Step: Aliases
+                if (_createdAccount.IsMailAccessGranted)
+                {
                     SetStepInProgress(Translator.AccountSetup_Step_SyncingAliases);
                     if (_createdAccount.IsAliasSyncSupported)
                     {
@@ -276,6 +303,7 @@ public partial class AccountSetupProgressPageViewModel : MailBaseViewModel
                     }
                     SetCurrentStepSucceeded();
                 }
+            }
             else if (WizardContext.IsSpecialImapProvider)
             {
                 var dialogResult = WizardContext.BuildAccountCreationDialogResult();
@@ -288,13 +316,17 @@ public partial class AccountSetupProgressPageViewModel : MailBaseViewModel
 
                 _createdAccount.Address = WizardContext.EmailAddress;
                 _createdAccount.SenderName = WizardContext.DisplayName;
+                _createdAccount.IsMailAccessGranted = dialogResult.IsMailAccessGranted;
                 _createdAccount.IsCalendarAccessGranted = customServerInformation.CalendarSupportMode != ImapCalendarSupportMode.Disabled;
                 _createdAccount.ServerInformation = customServerInformation;
 
+                if (_createdAccount.IsMailAccessGranted)
+                {
                     // Step: Test IMAP
                     SetStepInProgress(Translator.AccountSetup_Step_TestingMailAuth);
                     await ValidateImapConnectivityAsync(customServerInformation);
                     SetCurrentStepSucceeded();
+                }
 
                 // Step: CalDAV discovery and testing (if applicable)
                 if (customServerInformation.CalendarSupportMode == ImapCalendarSupportMode.CalDav)
@@ -313,12 +345,15 @@ public partial class AccountSetupProgressPageViewModel : MailBaseViewModel
                 _dbWritten = true;
                 SetCurrentStepSucceeded();
 
+                if (_createdAccount.IsMailAccessGranted)
+                {
                     // Step: Folders
                     SetStepInProgress(Translator.AccountSetup_Step_SyncingFolders);
                     var folderResult = await SynchronizationManager.Instance.SynchronizeFoldersAsync(_createdAccount.Id);
                     if (folderResult == null || folderResult.CompletedState != SynchronizationCompletedState.Success)
                         throw new Exception(Translator.Exception_FailedToSynchronizeFolders);
                     SetCurrentStepSucceeded();
+                }
 
                 // Step: Calendar metadata (if not disabled)
                 if (_createdAccount.IsCalendarAccessGranted)
@@ -334,9 +369,11 @@ public partial class AccountSetupProgressPageViewModel : MailBaseViewModel
                     SetCurrentStepSucceeded();
                 }
 
-                // Aliases for IMAP
+                if (_createdAccount.IsMailAccessGranted)
+                {
                     await _accountService.CreateRootAliasAsync(_createdAccount.Id, _createdAccount.Address);
                 }
+            }
             else // Generic IMAP
             {
                 var setupResult = WizardContext.ImapCalDavSetupResult
@@ -350,6 +387,7 @@ public partial class AccountSetupProgressPageViewModel : MailBaseViewModel
 
                 _createdAccount.Address = setupResult.EmailAddress;
                 _createdAccount.SenderName = setupResult.DisplayName;
+                _createdAccount.IsMailAccessGranted = setupResult.IsMailAccessGranted;
                 _createdAccount.IsCalendarAccessGranted = setupResult.IsCalendarAccessGranted;
                 _createdAccount.ServerInformation = customServerInformation;
 
@@ -359,12 +397,15 @@ public partial class AccountSetupProgressPageViewModel : MailBaseViewModel
                 _dbWritten = true;
                 SetCurrentStepSucceeded();
 
+                if (_createdAccount.IsMailAccessGranted)
+                {
                     // Step: Folders
                     SetStepInProgress(Translator.AccountSetup_Step_SyncingFolders);
                     var folderResult = await SynchronizationManager.Instance.SynchronizeFoldersAsync(_createdAccount.Id);
                     if (folderResult == null || folderResult.CompletedState != SynchronizationCompletedState.Success)
                         throw new Exception(Translator.Exception_FailedToSynchronizeFolders);
                     SetCurrentStepSucceeded();
+                }
 
                 // Step: CalDAV (if applicable)
                 if (setupResult.IsCalendarAccessGranted &&
@@ -392,9 +433,11 @@ public partial class AccountSetupProgressPageViewModel : MailBaseViewModel
                     SetCurrentStepSucceeded();
                 }
 
-                // Aliases for IMAP
+                if (_createdAccount.IsMailAccessGranted)
+                {
                     await _accountService.CreateRootAliasAsync(_createdAccount.Id, _createdAccount.Address);
                 }
+            }
 
             // Step: Finalizing
             SetStepInProgress(Translator.AccountSetup_Step_Finalizing);

Wino.Mail.ViewModels/Data/ImapCalDavSettingsNavigationContext.cs

@@ -61,6 +61,7 @@ public sealed class ImapCalDavSetupResult
 {
     public string DisplayName { get; init; }
     public string EmailAddress { get; init; }
+    public bool IsMailAccessGranted { get; init; }
     public bool IsCalendarAccessGranted { get; init; }
     public CustomServerInformation ServerInformation { get; init; }
 }

Wino.Mail.ViewModels/Data/WelcomeWizardContext.cs

@@ -21,6 +21,12 @@ public partial class WelcomeWizardContext : ObservableObject
     [ObservableProperty]
     public partial InitialSynchronizationRange SelectedInitialSynchronizationRange { get; set; } = InitialSynchronizationRange.SixMonths;
 
+    [ObservableProperty]
+    public partial bool IsMailAccessEnabled { get; set; } = true;
+
+    [ObservableProperty]
+    public partial bool IsCalendarAccessEnabled { get; set; } = true;
+
     // Special IMAP fields (iCloud/Yahoo)
     [ObservableProperty]
     public partial string DisplayName { get; set; }
@@ -66,7 +72,9 @@ public partial class WelcomeWizardContext : ObservableObject
             AccountName,
             BuildSpecialImapProviderDetails(),
             AccountColorHex,
-            SelectedInitialSynchronizationRange);
+            SelectedInitialSynchronizationRange,
+            IsMailAccessEnabled,
+            IsCalendarAccessEnabled);
     }
 
     public void Reset()
@@ -75,6 +83,8 @@ public partial class WelcomeWizardContext : ObservableObject
         AccountName = null;
         AccountColorHex = null;
         SelectedInitialSynchronizationRange = InitialSynchronizationRange.SixMonths;
+        IsMailAccessEnabled = true;
+        IsCalendarAccessEnabled = true;
         DisplayName = null;
         EmailAddress = null;
         AppSpecificPassword = null;

Wino.Mail.ViewModels/IdlePageViewModel.cs

@@ -1,9 +1,50 @@
-using Wino.Core.Domain.Interfaces;
+using System;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using Wino.Core.Domain;
+using Wino.Core.Domain.Enums;
+using Wino.Core.Domain.Interfaces;
+using Wino.Core.Domain.Models.Navigation;
 using Wino.Core.ViewModels;
 
 namespace Wino.Mail.ViewModels;
 
 public partial class IdlePageViewModel : CoreBaseViewModel
 {
-    public IdlePageViewModel(IMailDialogService dialogService)  { }
+    public const string MailEmptyStateParameter = "mail-empty-state";
+
+    private readonly INavigationService _navigationService;
+
+    [ObservableProperty]
+    public partial bool IsMailEmptyStateVisible { get; set; }
+
+    public string MailEmptyStateTitle => Translator.MailEmptyState_Title;
+    public string MailEmptyStateMessage => Translator.MailEmptyState_Message;
+    public string AddAccountText => Translator.MailEmptyState_AddAccount;
+    public string ManageAccountsText => Translator.MailEmptyState_ManageAccounts;
+
+    public IdlePageViewModel(IMailDialogService dialogService, INavigationService navigationService)
+    {
+        _navigationService = navigationService;
+    }
+
+    public override void OnNavigatedTo(NavigationMode mode, object parameters)
+    {
+        base.OnNavigatedTo(mode, parameters);
+        IsMailEmptyStateVisible = string.Equals(parameters as string, MailEmptyStateParameter, StringComparison.Ordinal);
+    }
+
+    [RelayCommand]
+    private void AddAccount()
+        => _navigationService.Navigate(
+            WinoPage.SettingsPage,
+            ProviderSelectionNavigationContext.CreateForSettingsAddAccount(),
+            NavigationReferenceFrame.ShellFrame);
+
+    [RelayCommand]
+    private void ManageAccounts()
+        => _navigationService.Navigate(
+            WinoPage.SettingsPage,
+            WinoPage.ManageAccountsPage,
+            NavigationReferenceFrame.ShellFrame);
 }

Wino.Mail.ViewModels/ImapCalDavSettingsPageViewModel.cs

@@ -57,6 +57,12 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
     [ObservableProperty]
     private string password = string.Empty;
 
+    [ObservableProperty]
+    [NotifyPropertyChangedFor(nameof(IsMailSettingsVisible))]
+    [NotifyPropertyChangedFor(nameof(IsMailPasswordInputVisible))]
+    [NotifyPropertyChangedFor(nameof(IsMailActionsVisible))]
+    private bool isMailSupportEnabled = true;
+
     [ObservableProperty]
     [NotifyPropertyChangedFor(nameof(IsCalendarModeSelectionVisible))]
     [NotifyPropertyChangedFor(nameof(IsCalDavSettingsVisible))]
@@ -141,6 +147,9 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
     public bool HasProviderHint => !string.IsNullOrWhiteSpace(ProviderHint);
     public bool IsBasicSetupSelected => SelectedSetupTabIndex == 0;
     public bool IsAdvancedSetupSelected => SelectedSetupTabIndex == 1;
+    public bool IsMailSettingsVisible => IsMailSupportEnabled;
+    public bool IsMailPasswordInputVisible => IsMailSupportEnabled;
+    public bool IsMailActionsVisible => IsMailSupportEnabled;
     public bool IsCalendarModeSelectionVisible => IsCalendarSupportEnabled;
     public bool IsCalDavSettingsVisible => IsCalendarSupportEnabled && SelectedCalendarSupportMode == ImapCalendarSupportMode.CalDav;
     public bool IsLocalCalendarModeSelected => IsCalendarSupportEnabled && SelectedCalendarSupportMode == ImapCalendarSupportMode.LocalOnly;
@@ -152,6 +161,7 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
     public string EmailAddressHeaderText => Translator.IMAPSetupDialog_MailAddress;
     public string EmailAddressPlaceholderText => Translator.IMAPSetupDialog_MailAddressPlaceholder;
     public string PasswordHeaderText => Translator.IMAPSetupDialog_Password;
+    public string EnableMailSupportText => Translator.ProviderSelection_UseForMail;
     public string EnableCalendarSupportText => Translator.ImapCalDavSettingsPage_EnableCalendarSupport;
     public string AutoDiscoverButtonText => Translator.ImapCalDavSettingsPage_AutoDiscoverButton;
     public string BasicTabText => Translator.ImapCalDavSettingsPage_BasicTab;
@@ -342,6 +352,7 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
     {
         try
         {
+            ValidateCapabilitySelection();
             await EnsureImapSettingsPreparedAsync().ConfigureAwait(false);
             var serverInformation = BuildServerInformation();
 
@@ -401,6 +412,7 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
     {
         try
         {
+            ValidateCapabilitySelection();
             await EnsureImapSettingsPreparedAsync();
 
             var serverInformation = BuildServerInformation();
@@ -416,8 +428,15 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
             if (!await ValidateAccountUniquenessAsync(excludedAccountId))
                 return;
 
+            if (IsMailSupportEnabled)
+            {
                 await ValidateImapConnectivityAsync(serverInformation);
                 IsImapValidationSucceeded = true;
+            }
+            else
+            {
+                IsImapValidationSucceeded = false;
+            }
 
             if (serverInformation.CalendarSupportMode == ImapCalendarSupportMode.CalDav)
             {
@@ -485,6 +504,7 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
         {
             DisplayName = DisplayName.Trim(),
             EmailAddress = EmailAddress.Trim(),
+            IsMailAccessGranted = IsMailSupportEnabled,
             IsCalendarAccessGranted = serverInformation.CalendarSupportMode != ImapCalendarSupportMode.Disabled,
             ServerInformation = serverInformation
         };
@@ -511,6 +531,14 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
         }
     }
 
+    partial void OnIsMailSupportEnabledChanged(bool value)
+    {
+        if (!value)
+        {
+            IsImapValidationSucceeded = false;
+        }
+    }
+
     partial void OnSelectedCalendarSupportModeChanged(ImapCalendarSupportMode value)
     {
         if (value == ImapCalendarSupportMode.LocalOnly && !_localOnlyInfoShown)
@@ -562,6 +590,7 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
         ApplyProviderHint(_editingSpecialImapProvider);
 
         ApplyServerInformation(account.ServerInformation);
+        IsMailSupportEnabled = account.IsMailAccessGranted;
 
         if (account.ServerInformation != null)
         {
@@ -588,8 +617,10 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
         if (!string.IsNullOrWhiteSpace(accountCreationDialogResult?.SpecialImapProviderDetails?.SenderName))
             DisplayName = accountCreationDialogResult.SpecialImapProviderDetails.SenderName;
 
-        IsCalendarSupportEnabled = true;
+        IsMailSupportEnabled = accountCreationDialogResult?.IsMailAccessGranted != false;
-        SelectedCalendarSupportMode = ImapCalendarSupportMode.CalDav;
+        IsCalendarSupportEnabled = accountCreationDialogResult?.IsCalendarAccessGranted == true;
+        SelectedCalendarSupportMode = accountCreationDialogResult?.SpecialImapProviderDetails?.CalendarSupportMode
+            ?? (IsCalendarSupportEnabled ? ImapCalendarSupportMode.CalDav : ImapCalendarSupportMode.Disabled);
 
         var specialProvider = accountCreationDialogResult?.SpecialImapProviderDetails?.SpecialImapProvider ?? SpecialImapProvider.None;
         _editingSpecialImapProvider = specialProvider;
@@ -737,6 +768,9 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
 
     private async Task EnsureImapSettingsPreparedAsync()
     {
+        if (!IsMailSupportEnabled)
+            return;
+
         if (HasCompleteImapSettings())
             return;
 
@@ -847,6 +881,7 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
         {
             DisplayName = DisplayName.Trim(),
             EmailAddress = EmailAddress.Trim(),
+            IsMailAccessGranted = IsMailSupportEnabled,
             IsCalendarAccessGranted = serverInformation.CalendarSupportMode != ImapCalendarSupportMode.Disabled,
             ServerInformation = serverInformation
         });
@@ -863,7 +898,9 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
 
     private async Task<bool> ValidateAccountUniquenessAsync(Guid? excludedAccountId)
     {
-        var accountName = (_pageMode == ImapCalDavSettingsPageMode.Create || _pageMode == ImapCalDavSettingsPageMode.Wizard)
+        var accountName = (_pageMode == ImapCalDavSettingsPageMode.Create
+                           || _pageMode == ImapCalDavSettingsPageMode.Wizard
+                           || _pageMode == ImapCalDavSettingsPageMode.AddAccount)
             ? _accountCreationContext?.AccountName
             : null;
 
@@ -889,6 +926,15 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
         return true;
     }
 
+    private static void ValidateCapabilitySelection(bool isMailEnabled, bool isCalendarEnabled)
+    {
+        if (!isMailEnabled && !isCalendarEnabled)
+            throw new InvalidOperationException(Translator.ProviderSelection_CapabilityValidationMessage);
+    }
+
+    private void ValidateCapabilitySelection()
+        => ValidateCapabilitySelection(IsMailSupportEnabled, IsCalendarSupportEnabled);
+
     private async Task SaveEditFlowAsync(CustomServerInformation serverInformation)
     {
         var account = await _accountService.GetAccountAsync(_editingAccountId);
@@ -897,6 +943,7 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
 
         account.SenderName = DisplayName.Trim();
         account.Address = EmailAddress.Trim();
+        account.IsMailAccessGranted = IsMailSupportEnabled;
         account.IsCalendarAccessGranted = serverInformation.CalendarSupportMode != ImapCalendarSupportMode.Disabled;
 
         serverInformation.Id = account.ServerInformation?.Id ?? Guid.NewGuid();
@@ -908,11 +955,14 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
         await _accountService.UpdateAccountCustomServerInformationAsync(serverInformation);
         await _accountService.UpdateAccountAsync(account);
 
+        if (account.IsMailAccessGranted)
+        {
             Messenger.Send(new NewMailSynchronizationRequested(new MailSynchronizationOptions
             {
                 AccountId = account.Id,
                 Type = MailSynchronizationType.FullFolders
             }));
+        }
 
         if (account.IsCalendarAccessGranted)
         {
@@ -1007,6 +1057,9 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
 
     private void ValidateImapSettings(CustomServerInformation serverInformation)
     {
+        if (!IsMailSupportEnabled)
+            return;
+
         ValidateIdentitySettings();
 
         if (string.IsNullOrWhiteSpace(serverInformation.IncomingServer))
@@ -1075,7 +1128,7 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
 
     private bool TryApplyKnownProviderSettingsIfNeeded(bool requireCompleteImapSettings, bool requireCompleteCalDavSettings)
     {
-        var needsImapSettings = requireCompleteImapSettings && !HasCompleteImapSettings();
+        var needsImapSettings = IsMailSupportEnabled && requireCompleteImapSettings && !HasCompleteImapSettings();
         var needsCalDavSettings = requireCompleteCalDavSettings
                                   && IsCalendarSupportEnabled
                                   && SelectedCalendarSupportMode == ImapCalendarSupportMode.CalDav
@@ -1114,6 +1167,7 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
                 SenderName = DisplayName.Trim(),
                 ProviderType = MailProviderType.IMAP4,
                 SpecialImapProvider = _editingSpecialImapProvider,
+                IsMailAccessGranted = IsMailSupportEnabled,
                 IsCalendarAccessGranted = mode != ImapCalendarSupportMode.Disabled
             },
             new AccountCreationDialogResult(
@@ -1121,7 +1175,9 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
                 DisplayName.Trim(),
                 providerDetails,
                 string.Empty,
-                _wizardContext.SelectedInitialSynchronizationRange));
+                _wizardContext.SelectedInitialSynchronizationRange,
+                IsMailSupportEnabled,
+                mode != ImapCalendarSupportMode.Disabled));
 
         if (serverInformation == null)
             return false;
@@ -1158,7 +1214,8 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
                && !string.IsNullOrWhiteSpace(CalDavPassword));
 
     private bool HasCompleteImapSettings()
-        => !string.IsNullOrWhiteSpace(IncomingServer)
+        => !IsMailSupportEnabled
+           || (!string.IsNullOrWhiteSpace(IncomingServer)
            && !string.IsNullOrWhiteSpace(IncomingServerPort)
            && !string.IsNullOrWhiteSpace(IncomingServerUsername)
            && !string.IsNullOrWhiteSpace(IncomingServerPassword)
@@ -1167,7 +1224,7 @@ public partial class ImapCalDavSettingsPageViewModel : MailBaseViewModel
            && !string.IsNullOrWhiteSpace(OutgoingServerUsername)
            && !string.IsNullOrWhiteSpace(OutgoingServerPassword)
            && IsValidPort(IncomingServerPort)
-           && IsValidPort(OutgoingServerPort);
+           && IsValidPort(OutgoingServerPort));
 
     private int FindAuthenticationMethodIndex(ImapAuthenticationMethod method)
     {

Wino.Mail.ViewModels/MailAppShellViewModel.cs

@@ -46,6 +46,8 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
     IRecipient<AccountRemovedMessage>,
     IRecipient<AccountUpdatedMessage>
 {
+    private const string MailEmptyStateNavigationParameter = IdlePageViewModel.MailEmptyStateParameter;
+
     #region Menu Items
 
     [ObservableProperty]
@@ -188,7 +190,7 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
         // First clear all account menu items.
         MenuItems.RemoveRange(MenuItems.Where(a => a is IAccountMenuItem));
 
-        var accounts = await _accountService.GetAccountsAsync().ConfigureAwait(false);
+        var accounts = await GetMailEnabledAccountsAsync().ConfigureAwait(false);
 
         List<Guid> initializedAccountIds = new();
 
@@ -373,7 +375,7 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
     private async Task ForceAllAccountSynchronizationsAsync()
     {
         // Run Inbox synchronization for all accounts on startup.
-        var accounts = await _accountService.GetAccountsAsync();
+        var accounts = await GetMailEnabledAccountsAsync().ConfigureAwait(false);
 
         foreach (var account in accounts)
         {
@@ -442,6 +444,9 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
 
     private async Task ProcessLaunchDefaultAsync()
     {
+        if (await NavigateToMailEmptyStateIfNeededAsync().ConfigureAwait(false))
+            return;
+
         if (PreferencesService.StartupEntityId == null)
         {
             NavigateToWelcomeWizard();
@@ -468,11 +473,19 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
             }
             else
             {
-                // Fallback to the welcome wizard if startup entity is not found.
+                var firstMailAccountMenuItem = MenuItems.FirstOrDefault(a => a is IAccountMenuItem) as IAccountMenuItem;
+                if (firstMailAccountMenuItem != null)
+                {
+                    firstMailAccountMenuItem.Expand();
+                    await ChangeLoadedAccountAsync(firstMailAccountMenuItem);
+                }
+                else
+                {
                     NavigateToWelcomeWizard();
                 }
             }
         }
+    }
 
     public async Task NavigateFolderAsync(IBaseFolderMenuItem baseFolderMenuItem, TaskCompletionSource<bool> folderInitAwaitTask = null)
     {
@@ -947,6 +960,11 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
             operationAccount = selectedFolderMenuItem.ParentAccount;
         }
 
+        if (operationAccount?.IsMailAccessGranted == false)
+        {
+            operationAccount = null;
+        }
+
         // We couldn't find any account so far.
         // If there is only 1 account to use, use it. If not,
         // send a message for flyout so user can pick from it.
@@ -956,7 +974,7 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
             // No selected account.
             // List all accounts and let user pick one.
 
-            var accounts = await _accountService.GetAccountsAsync();
+            var accounts = await GetMailEnabledAccountsAsync().ConfigureAwait(false);
 
             if (!accounts.Any())
             {
@@ -1081,7 +1099,7 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
 
     public async void Receive(MailtoProtocolMessageRequested message)
     {
-        var accounts = await _accountService.GetAccountsAsync();
+        var accounts = await GetMailEnabledAccountsAsync().ConfigureAwait(false);
 
         MailAccount targetAccount = null;
 
@@ -1114,7 +1132,7 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
         if (shareRequest?.Files == null || shareRequest.Files.Count == 0)
             return;
 
-        var accounts = await _accountService.GetAccountsAsync();
+        var accounts = await GetMailEnabledAccountsAsync().ConfigureAwait(false);
 
         if (!accounts.Any())
             return;
@@ -1188,9 +1206,12 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
         else
         {
             await ExecuteUIThread(() => SelectedMenuItem = null);
+            if (!await NavigateToMailEmptyStateIfNeededAsync().ConfigureAwait(false))
+            {
                 NavigateToWelcomeWizard();
             }
         }
+    }
 
     private void NavigateToWelcomeWizard()
         => NavigationService.Navigate(
@@ -1199,6 +1220,37 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
             NavigationReferenceFrame.ShellFrame,
             NavigationTransitionType.None);
 
+    private Task<List<MailAccount>> GetMailEnabledAccountsAsync()
+        => GetAccountsByCapabilityAsync(requireMail: true);
+
+    private async Task<List<MailAccount>> GetAccountsByCapabilityAsync(bool requireMail = false, bool requireCalendar = false)
+    {
+        var accounts = await _accountService.GetAccountsAsync().ConfigureAwait(false);
+
+        return accounts
+            .Where(account => (!requireMail || account.IsMailAccessGranted) &&
+                              (!requireCalendar || account.IsCalendarAccessGranted))
+            .ToList();
+    }
+
+    private async Task<bool> NavigateToMailEmptyStateIfNeededAsync()
+    {
+        var accounts = await _accountService.GetAccountsAsync().ConfigureAwait(false);
+        if (!accounts.Any() || accounts.Any(account => account.IsMailAccessGranted))
+            return false;
+
+        latestSelectedAccountMenuItem = null;
+        await ExecuteUIThread(() => SelectedMenuItem = null);
+
+        NavigationService.Navigate(
+            WinoPage.IdlePage,
+            MailEmptyStateNavigationParameter,
+            NavigationReferenceFrame.InnerShellFrame,
+            NavigationTransitionType.None);
+
+        return true;
+    }
+
     private bool IsAccountCurrentlyLoaded(Guid accountId)
     {
         return latestSelectedAccountMenuItem?.HoldingAccounts?.Any(a => a.Id == accountId) == true;
@@ -1385,7 +1437,9 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
     public async void Receive(AccountRemovedMessage message)
     {
         var remainingAccounts = await _accountService.GetAccountsAsync().ConfigureAwait(false);
-        if (!remainingAccounts.Any())
+        var remainingMailAccounts = remainingAccounts.Where(account => account.IsMailAccessGranted).ToList();
+
+        if (!remainingMailAccounts.Any())
         {
             latestSelectedAccountMenuItem = null;
             await ExecuteUIThread(() =>
@@ -1394,6 +1448,12 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
                 MenuItems?.Clear();
                 MenuItems?.Add(CreateMailMenuItem);
             });
+
+            if (remainingAccounts.Any())
+            {
+                await NavigateToMailEmptyStateIfNeededAsync().ConfigureAwait(false);
+            }
+
             return;
         }
 
@@ -1413,14 +1473,25 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
 
         await RecreateMenuItemsAsync();
 
+        if (!createdAccount.IsMailAccessGranted)
+        {
+            await NavigateToMailEmptyStateIfNeededAsync().ConfigureAwait(false);
+        }
+
         if (!MenuItems.TryGetAccountMenuItem(createdAccount.Id, out IAccountMenuItem createdMenuItem))
         {
             Log.Warning("Created account {AccountId} could not be found in menu items after refresh.", createdAccount.Id);
+
+            if (!createdAccount.IsMailAccessGranted)
+                return;
+
             return;
         }
 
         await ChangeLoadedAccountAsync(createdMenuItem);
 
+        if (createdAccount.IsMailAccessGranted)
+        {
             // Each created account should start a new synchronization automatically.
             var options = new MailSynchronizationOptions()
             {
@@ -1429,6 +1500,7 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
             };
 
             Messenger.Send(new NewMailSynchronizationRequested(options));
+        }
 
         if (createdAccount.IsCalendarAccessGranted)
         {
@@ -1455,6 +1527,13 @@ public partial class MailAppShellViewModel : MailBaseViewModel,
     {
         var updatedAccount = message.Account;
 
+        if (!updatedAccount.IsMailAccessGranted || !MenuItems.TryGetAccountMenuItem(updatedAccount.Id, out _))
+        {
+            await RecreateMenuItemsAsync();
+            await RestoreSelectedAccountAfterMenuRefreshAsync(false);
+            return;
+        }
+
         await ExecuteUIThread(() =>
         {
             if (MenuItems.TryGetAccountMenuItem(updatedAccount.Id, out IAccountMenuItem foundAccountMenuItem))

Wino.Mail.ViewModels/MailCategoryManagementPageViewModel.cs

@@ -10,9 +10,7 @@ using Wino.Core.Domain.Entities.Mail;
 using Wino.Core.Domain.Entities.Shared;
 using Wino.Core.Domain.Enums;
 using Wino.Core.Domain.Interfaces;
-using Wino.Core.Domain.Models.MailItem;
 using Wino.Core.Domain.Models.Navigation;
-using Wino.Core.Domain.Models.Synchronization;
 using Wino.Core.Requests.Category;
 using Wino.Core.Services;
 
@@ -53,11 +51,11 @@ public partial class MailCategoryManagementPageViewModel : MailBaseViewModel
         if (parameters is not Guid accountId)
             return;
 
-        Account = await _accountService.GetAccountAsync(accountId).ConfigureAwait(false);
+        Account = await _accountService.GetAccountAsync(accountId);
 
         if (Account != null)
         {
-            await LoadCategoriesAsync().ConfigureAwait(false);
+            await LoadCategoriesAsync();
         }
     }
 

Wino.Mail.ViewModels/ProviderSelectionPageViewModel.cs

@@ -15,6 +15,13 @@ using Wino.Messaging.Client.Navigation;
 
 namespace Wino.Mail.ViewModels;
 
+public enum ProviderSelectionWizardStep
+{
+    Provider = 0,
+    Identity = 1,
+    Capabilities = 2
+}
+
 public partial class ProviderSelectionPageViewModel : MailBaseViewModel
 {
     private readonly IAccountService _accountService;
@@ -45,16 +52,50 @@ public partial class ProviderSelectionPageViewModel : MailBaseViewModel
 
     [ObservableProperty]
     [NotifyPropertyChangedFor(nameof(IsInitialSynchronizationWarningVisible))]
+    [NotifyPropertyChangedFor(nameof(IsMailSynchronizationRangeVisible))]
     public partial InitialSynchronizationRangeOption SelectedInitialSynchronizationRange { get; set; }
 
     [ObservableProperty]
     public partial string AccountName { get; set; }
 
     [ObservableProperty]
-    public partial bool CanProceed { get; set; }
+    [NotifyPropertyChangedFor(nameof(IsMailSynchronizationRangeVisible))]
+    public partial bool IsMailAccessEnabled { get; set; } = true;
+
+    [ObservableProperty]
+    public partial bool IsCalendarAccessEnabled { get; set; } = true;
+
+    [ObservableProperty]
+    [NotifyPropertyChangedFor(nameof(CurrentStepNumber))]
+    [NotifyPropertyChangedFor(nameof(StepProgressValue))]
+    [NotifyPropertyChangedFor(nameof(StepProgressText))]
+    [NotifyPropertyChangedFor(nameof(IsProviderStepVisible))]
+    [NotifyPropertyChangedFor(nameof(IsIdentityStepVisible))]
+    [NotifyPropertyChangedFor(nameof(IsCapabilityStepVisible))]
+    [NotifyPropertyChangedFor(nameof(CanGoBack))]
+    [NotifyCanExecuteChangedFor(nameof(ContinueCommand))]
+    [NotifyCanExecuteChangedFor(nameof(GoBackCommand))]
+    public partial ProviderSelectionWizardStep CurrentStep { get; set; } = ProviderSelectionWizardStep.Provider;
 
     public bool IsColorSelected => SelectedColor != null;
-    public bool IsInitialSynchronizationWarningVisible => SelectedInitialSynchronizationRange?.IsEverything == true;
+    public bool IsInitialSynchronizationWarningVisible => IsMailSynchronizationRangeVisible && SelectedInitialSynchronizationRange?.IsEverything == true;
+    public bool IsMailSynchronizationRangeVisible => IsMailAccessEnabled;
+    public int CurrentStepNumber => (int)CurrentStep + 1;
+    public double StepProgressValue => CurrentStepNumber;
+    public string StepProgressText => string.Format(Translator.ProviderSelection_StepProgress, CurrentStepNumber);
+    public bool IsProviderStepVisible => CurrentStep == ProviderSelectionWizardStep.Provider;
+    public bool IsIdentityStepVisible => CurrentStep == ProviderSelectionWizardStep.Identity;
+    public bool IsCapabilityStepVisible => CurrentStep == ProviderSelectionWizardStep.Capabilities;
+    public bool CanGoBack => CurrentStep != ProviderSelectionWizardStep.Provider;
+    public string SelectedProviderName => SelectedProvider?.Name ?? string.Empty;
+    public string SelectedProviderDescription => SelectedProvider?.Description ?? string.Empty;
+    public string SelectedProviderImage => SelectedProvider?.ProviderImage ?? string.Empty;
+    public string SelectedProviderCapabilityDescription => GetSelectedProviderCapabilityDescription();
+    public bool IsCapabilitySelectionMissing => !IsMailAccessEnabled && !IsCalendarAccessEnabled;
+    public bool IsCalendarOnlyServerHintVisible =>
+        SelectedProvider?.Type == MailProviderType.IMAP4 &&
+        !IsMailAccessEnabled &&
+        IsCalendarAccessEnabled;
 
     public ProviderSelectionPageViewModel(
         IAccountService accountService,
@@ -101,35 +142,83 @@ public partial class ProviderSelectionPageViewModel : MailBaseViewModel
                 p.Type == WizardContext.SelectedProvider.Type &&
                 p.SpecialImapProvider == WizardContext.SelectedProvider.SpecialImapProvider);
             AccountName = WizardContext.AccountName;
+            IsMailAccessEnabled = WizardContext.IsMailAccessEnabled;
+            IsCalendarAccessEnabled = WizardContext.IsCalendarAccessEnabled;
 
             if (WizardContext.AccountColorHex != null)
                 SelectedColor = AvailableColors.FirstOrDefault(c => c.Hex == WizardContext.AccountColorHex);
         }
+        else
+        {
+            IsMailAccessEnabled = true;
+            IsCalendarAccessEnabled = true;
+        }
 
-        Validate();
+        CurrentStep = mode == NavigationMode.Back && SelectedProvider != null
+            ? ProviderSelectionWizardStep.Capabilities
+            : ProviderSelectionWizardStep.Provider;
     }
 
     partial void OnSelectedProviderChanged(IProviderDetail value)
     {
-        Validate();
+        OnPropertyChanged(nameof(SelectedProviderName));
+        OnPropertyChanged(nameof(SelectedProviderDescription));
+        OnPropertyChanged(nameof(SelectedProviderImage));
+        OnPropertyChanged(nameof(SelectedProviderCapabilityDescription));
+        OnPropertyChanged(nameof(IsCapabilitySelectionMissing));
+        OnPropertyChanged(nameof(IsCalendarOnlyServerHintVisible));
+        ContinueCommand.NotifyCanExecuteChanged();
     }
 
-    partial void OnAccountNameChanged(string value) => Validate();
+    partial void OnAccountNameChanged(string value) => ContinueCommand.NotifyCanExecuteChanged();
+
+    partial void OnIsMailAccessEnabledChanged(bool value)
+    {
+        OnPropertyChanged(nameof(IsCapabilitySelectionMissing));
+        OnPropertyChanged(nameof(IsCalendarOnlyServerHintVisible));
+        ContinueCommand.NotifyCanExecuteChanged();
+    }
+
+    partial void OnIsCalendarAccessEnabledChanged(bool value)
+    {
+        OnPropertyChanged(nameof(IsCapabilitySelectionMissing));
+        OnPropertyChanged(nameof(IsCalendarOnlyServerHintVisible));
+        ContinueCommand.NotifyCanExecuteChanged();
+    }
 
     [RelayCommand]
     private void ClearColor() => SelectedColor = null;
 
-    private void Validate()
+    private bool CanContinue()
     {
-        CanProceed = SelectedProvider != null && !string.IsNullOrWhiteSpace(AccountName);
+        return CurrentStep switch
+        {
+            ProviderSelectionWizardStep.Provider => SelectedProvider != null,
+            ProviderSelectionWizardStep.Identity => !string.IsNullOrWhiteSpace(AccountName),
+            ProviderSelectionWizardStep.Capabilities => IsMailAccessEnabled || IsCalendarAccessEnabled,
+            _ => false
+        };
     }
 
-    [RelayCommand]
+    [RelayCommand(CanExecute = nameof(CanGoBack))]
-    private async Task ProceedAsync()
+    private void GoBack()
     {
-        if (!CanProceed) return;
+        if (!CanGoBack)
+            return;
 
-        if (await _accountService.AccountNameExistsAsync(AccountName))
+        CurrentStep--;
+    }
+
+    [RelayCommand(CanExecute = nameof(CanContinue))]
+    private async Task ContinueAsync()
+    {
+        switch (CurrentStep)
+        {
+            case ProviderSelectionWizardStep.Provider:
+                CurrentStep = ProviderSelectionWizardStep.Identity;
+                return;
+            case ProviderSelectionWizardStep.Identity:
+                if (await _accountService.AccountNameExistsAsync(AccountName?.Trim()))
                 {
                     await _dialogService.ShowMessageAsync(
                         Translator.DialogMessage_AccountNameExistsMessage,
@@ -138,11 +227,25 @@ public partial class ProviderSelectionPageViewModel : MailBaseViewModel
                     return;
                 }
 
-        // Persist to wizard context
+                CurrentStep = ProviderSelectionWizardStep.Capabilities;
+                return;
+            case ProviderSelectionWizardStep.Capabilities:
+                await CompleteWizardAsync();
+                return;
+        }
+    }
+
+    private async Task CompleteWizardAsync()
+    {
+        if (!CanContinue())
+            return;
+
         WizardContext.SelectedProvider = SelectedProvider;
         WizardContext.AccountName = AccountName?.Trim();
         WizardContext.AccountColorHex = SelectedColor?.Hex ?? string.Empty;
         WizardContext.SelectedInitialSynchronizationRange = SelectedInitialSynchronizationRange?.Range ?? InitialSynchronizationRange.SixMonths;
+        WizardContext.IsMailAccessEnabled = IsMailAccessEnabled;
+        WizardContext.IsCalendarAccessEnabled = IsCalendarAccessEnabled;
 
         if (WizardContext.IsGenericImap)
         {
@@ -172,4 +275,23 @@ public partial class ProviderSelectionPageViewModel : MailBaseViewModel
                 WinoPage.AccountSetupProgressPage));
         }
     }
+
+    partial void OnSelectedProviderChanging(IProviderDetail value)
+    {
+
+    }
+
+    private string GetSelectedProviderCapabilityDescription()
+    {
+        if (SelectedProvider == null)
+            return string.Empty;
+
+        if (SelectedProvider.Type is MailProviderType.Outlook or MailProviderType.Gmail)
+            return Translator.ProviderSelection_CapabilityProviderDescription_OAuth;
+
+        if (SelectedProvider.SpecialImapProvider is SpecialImapProvider.iCloud or SpecialImapProvider.Yahoo)
+            return Translator.ProviderSelection_CapabilityProviderDescription_SpecialImap;
+
+        return Translator.ProviderSelection_CapabilityProviderDescription_CustomServer;
+    }
 }

Wino.Mail.ViewModels/SpecialImapCredentialsPageViewModel.cs

@@ -38,11 +38,15 @@ public partial class SpecialImapCredentialsPageViewModel : MailBaseViewModel
     public partial string AppSpecificPassword { get; set; }
 
     [ObservableProperty]
+    [NotifyPropertyChangedFor(nameof(RequiresAppSpecificPassword))]
     public partial int SelectedCalendarModeIndex { get; set; }
 
     [ObservableProperty]
     public partial bool CanProceed { get; set; }
 
+    public bool IsCalendarModeSelectionVisible => WizardContext.IsCalendarAccessEnabled;
+    public bool RequiresAppSpecificPassword => WizardContext.IsMailAccessEnabled || SelectedCalendarModeIndex == 1;
+
     public string AppPasswordHelpUrl
     {
         get
@@ -86,8 +90,15 @@ public partial class SpecialImapCredentialsPageViewModel : MailBaseViewModel
             _ => 0
         };
 
+        if (!WizardContext.IsCalendarAccessEnabled)
+        {
+            SelectedCalendarModeIndex = 0;
+        }
+
         OnPropertyChanged(nameof(AppPasswordHelpUrl));
         OnPropertyChanged(nameof(CalendarModeCalDavDescription));
+        OnPropertyChanged(nameof(IsCalendarModeSelectionVisible));
+        OnPropertyChanged(nameof(RequiresAppSpecificPassword));
 
         Validate();
     }
@@ -95,13 +106,18 @@ public partial class SpecialImapCredentialsPageViewModel : MailBaseViewModel
     partial void OnDisplayNameChanged(string value) => Validate();
     partial void OnEmailAddressChanged(string value) => Validate();
     partial void OnAppSpecificPasswordChanged(string value) => Validate();
+    partial void OnSelectedCalendarModeIndexChanged(int value)
+    {
+        OnPropertyChanged(nameof(RequiresAppSpecificPassword));
+        Validate();
+    }
 
     private void Validate()
     {
         CanProceed = !string.IsNullOrWhiteSpace(DisplayName)
             && !string.IsNullOrWhiteSpace(EmailAddress)
             && MailAccountAddressValidator.IsValid(EmailAddress)
-            && !string.IsNullOrWhiteSpace(AppSpecificPassword);
+            && (!RequiresAppSpecificPassword || !string.IsNullOrWhiteSpace(AppSpecificPassword));
     }
 
     [RelayCommand]
@@ -121,12 +137,14 @@ public partial class SpecialImapCredentialsPageViewModel : MailBaseViewModel
         WizardContext.DisplayName = DisplayName?.Trim();
         WizardContext.EmailAddress = EmailAddress?.Trim();
         WizardContext.AppSpecificPassword = AppSpecificPassword?.Trim();
-        WizardContext.CalendarSupportMode = SelectedCalendarModeIndex switch
+        WizardContext.CalendarSupportMode = WizardContext.IsCalendarAccessEnabled
+            ? SelectedCalendarModeIndex switch
             {
                 1 => ImapCalendarSupportMode.CalDav,
                 2 => ImapCalendarSupportMode.LocalOnly,
                 _ => ImapCalendarSupportMode.Disabled
-        };
+            }
+            : ImapCalendarSupportMode.Disabled;
 
         Messenger.Send(new BreadcrumbNavigationRequested(
             Translator.WelcomeWizard_Step3Title,

Wino.Mail.WinUI/Dialogs/NewAccountDialog.xaml.cs

@@ -158,7 +158,9 @@ public sealed partial class NewAccountDialog : ContentDialog
                 AccountNameTextbox.Text.Trim(),
                 details,
                 SelectedColor?.Hex ?? string.Empty,
-                initialSynchronizationRange);
+                initialSynchronizationRange,
+                true,
+                calendarSupportMode != ImapCalendarSupportMode.Disabled);
             Hide();
 
             return;
@@ -185,7 +187,9 @@ public sealed partial class NewAccountDialog : ContentDialog
                     AccountNameTextbox.Text.Trim(),
                     null,
                     SelectedColor?.Hex ?? string.Empty,
-                    initialSynchronizationRange);
+                    initialSynchronizationRange,
+                    true,
+                    true);
                 Hide();
             }
         }

Wino.Mail.WinUI/Helpers/XamlHelpers.cs

@@ -72,6 +72,26 @@ public static class XamlHelpers
             return null;
         }
     }
+
+    public static Microsoft.UI.Xaml.Media.Imaging.BitmapImage? StringToBitmapImage(string? imagePath)
+    {
+        if (string.IsNullOrWhiteSpace(imagePath))
+            return null;
+
+        try
+        {
+            var uri = imagePath.StartsWith("/")
+                ? new Uri($"ms-appx://{imagePath}")
+                : new Uri(imagePath, UriKind.Absolute);
+
+            return new Microsoft.UI.Xaml.Media.Imaging.BitmapImage(uri);
+        }
+        catch
+        {
+            return null;
+        }
+    }
+
     public static InfoBarSeverity InfoBarSeverityConverter(InfoBarMessageType messageType)
     {
         return messageType switch

Wino.Mail.WinUI/Services/AccountCalendarStateService.cs

@@ -105,6 +105,9 @@ public partial class AccountCalendarStateService : ObservableRecipient,
     {
         lock (_calendarStateLock)
         {
+            if (!GroupedAccountCalendarViewModel.SupportsCalendar(groupedAccountCalendar.Account))
+                return;
+
             groupedAccountCalendar.CalendarSelectionStateChanged += SingleCalendarSelectionStateChanged;
             groupedAccountCalendar.CollectiveSelectionStateChanged += SingleGroupCalendarCollectiveStateChanged;
             try
@@ -180,6 +183,9 @@ public partial class AccountCalendarStateService : ObservableRecipient,
     {
         lock (_calendarStateLock)
         {
+            if (!GroupedAccountCalendarViewModel.SupportsCalendar(accountCalendar.Account))
+                return;
+
             // Find the group that this calendar belongs to.
             var group = _internalGroupedAccountCalendars.FirstOrDefault(g => g.Account.Id == accountCalendar.Account.Id);
 
@@ -396,6 +402,16 @@ public partial class AccountCalendarStateService : ObservableRecipient,
         lock (_calendarStateLock)
         {
             groupedAccount = _internalGroupedAccountCalendars.FirstOrDefault(a => a.Account.Id == updatedAccount.Id);
+
+            if (!GroupedAccountCalendarViewModel.SupportsCalendar(updatedAccount))
+            {
+                if (groupedAccount != null)
+                {
+                    RemoveGroupedAccountCalendar(groupedAccount);
+                }
+
+                return;
+            }
         }
 
         groupedAccount?.UpdateAccount(updatedAccount);

Wino.Mail.WinUI/Services/MailAuthenticatorConfiguration.cs

@@ -1,3 +1,4 @@
+using System.Collections.Generic;
 using Wino.Core.Domain.Interfaces;
 
 namespace Wino.Services;
@@ -6,35 +7,73 @@ public class MailAuthenticatorConfiguration : IAuthenticatorConfig
 {
     public string OutlookAuthenticatorClientId => "b19c2035-d740-49ff-b297-de6ec561b208";
 
-    public string[] OutlookScope =>
+    public string GmailAuthenticatorClientId => "973025879644-s7b4ur9p3rlgop6a22u7iuptdc0brnrn.apps.googleusercontent.com";
-    [
+
+    public string GmailTokenStoreIdentifier => "WinoMailGmailTokenStore";
+
+    public string[] GetOutlookScope(bool isMailAccessGranted, bool isCalendarAccessGranted)
+    {
+        var scopes = new List<string>
+        {
             "email",
-        "mail.readwrite",
             "offline_access",
+            "User.Read"
+        };
+
+        if (isMailAccessGranted)
+        {
+            scopes.AddRange(
+            [
+                "mail.readwrite",
                 "mail.send",
                 "Mail.Send.Shared",
-        "Mail.ReadWrite.Shared",
+                "Mail.ReadWrite.Shared"
-        "User.Read",
+            ]);
+        }
+
+        if (isCalendarAccessGranted)
+        {
+            scopes.AddRange(
+            [
                 "Calendars.ReadBasic",
                 "Calendars.ReadWrite",
                 "Calendars.ReadWrite.Shared",
                 "Calendars.Read",
-        "Calendars.Read.Shared",
+                "Calendars.Read.Shared"
-    ];
+            ]);
+        }
 
-    public string GmailAuthenticatorClientId => "973025879644-s7b4ur9p3rlgop6a22u7iuptdc0brnrn.apps.googleusercontent.com";
+        return [.. scopes];
+    }
 
-    public string[] GmailScope =>
+    public string[] GetGmailScope(bool isMailAccessGranted, bool isCalendarAccessGranted)
+    {
+        var scopes = new List<string>
+        {
+            "https://www.googleapis.com/auth/userinfo.profile",
+            "https://www.googleapis.com/auth/userinfo.email"
+        };
+
+        if (isMailAccessGranted)
+        {
+            scopes.AddRange(
             [
                 "https://mail.google.com/",
-        "https://www.googleapis.com/auth/userinfo.profile",
+                "https://www.googleapis.com/auth/gmail.labels"
-        "https://www.googleapis.com/auth/gmail.labels",
+            ]);
-        "https://www.googleapis.com/auth/userinfo.email",
+        }
+
+        if (isCalendarAccessGranted)
+        {
+            scopes.AddRange(
+            [
                 "https://www.googleapis.com/auth/calendar",
                 "https://www.googleapis.com/auth/calendar.events",
                 "https://www.googleapis.com/auth/calendar.settings.readonly",
-        "https://www.googleapis.com/auth/drive.file",
+                "https://www.googleapis.com/auth/drive.file"
-    ];
+            ]);
-
+        }
-    public string GmailTokenStoreIdentifier => "WinoMailGmailTokenStore";
+
+        return [.. scopes];
+    }
 }

Wino.Mail.WinUI/Views/Abstract/ProviderSelectionPageAbstract.cs

@@ -1,5 +1,4 @@
 using Wino.Mail.ViewModels;
-using Wino.Mail.WinUI;
 
 namespace Wino.Mail.WinUI.Views.Abstract;
 

Wino.Mail.WinUI/Views/Account/AccountDetailsPage.xaml

@@ -90,12 +90,12 @@
                         <SymbolIcon Symbol="ContactInfo" />
                     </controls:SegmentedItem.Icon>
                 </controls:SegmentedItem>
-                <controls:SegmentedItem Content="{x:Bind domain:Translator.AccountDetailsPage_TabMail, Mode=OneTime}">
+                <controls:SegmentedItem Content="{x:Bind domain:Translator.AccountDetailsPage_TabMail, Mode=OneTime}" Visibility="{x:Bind ViewModel.HasMailAccess, Mode=OneWay}">
                     <controls:SegmentedItem.Icon>
                         <SymbolIcon Symbol="Mail" />
                     </controls:SegmentedItem.Icon>
                 </controls:SegmentedItem>
-                <controls:SegmentedItem Content="{x:Bind domain:Translator.AccountDetailsPage_TabCalendar, Mode=OneTime}">
+                <controls:SegmentedItem Content="{x:Bind domain:Translator.AccountDetailsPage_TabCalendar, Mode=OneTime}" Visibility="{x:Bind ViewModel.HasCalendarAccess, Mode=OneWay}">
                     <controls:SegmentedItem.Icon>
                         <FontIcon Glyph="&#xE163;" />
                     </controls:SegmentedItem.Icon>
@@ -117,7 +117,10 @@
                             Text="{x:Bind ViewModel.AccountName, Mode=TwoWay}" />
                     </controls:SettingsCard>
 
-                    <controls:SettingsCard Description="{x:Bind domain:Translator.SettingsEditAccountDetails_Description}" Header="{x:Bind domain:Translator.AccountSettingsDialog_AccountName}">
+                    <controls:SettingsCard
+                        Description="{x:Bind domain:Translator.SettingsEditAccountDetails_Description}"
+                        Header="{x:Bind domain:Translator.AccountSettingsDialog_AccountName}"
+                        Visibility="{x:Bind ViewModel.HasMailAccess, Mode=OneWay}">
                         <controls:SettingsCard.HeaderIcon>
                             <SymbolIcon Symbol="Mail" />
                         </controls:SettingsCard.HeaderIcon>
@@ -127,7 +130,9 @@
                             Text="{x:Bind ViewModel.SenderName, Mode=TwoWay}" />
                     </controls:SettingsCard>
 
-                    <controls:SettingsCard Header="{x:Bind domain:Translator.IMAPSetupDialog_MailAddress}">
+                    <controls:SettingsCard
+                        Header="{x:Bind domain:Translator.IMAPSetupDialog_MailAddress}"
+                        Visibility="{x:Bind ViewModel.HasMailAccess, Mode=OneWay}">
                         <controls:SettingsCard.HeaderIcon>
                             <SymbolIcon Symbol="Mail" />
                         </controls:SettingsCard.HeaderIcon>
@@ -137,6 +142,25 @@
                             Text="{x:Bind ViewModel.Address, Mode=OneWay}" />
                     </controls:SettingsCard>
 
+                    <controls:SettingsCard
+                        Description="{x:Bind domain:Translator.AccountDetailsPage_CapabilityDescription, Mode=OneTime}"
+                        Header="{x:Bind domain:Translator.AccountDetailsPage_CapabilityTitle, Mode=OneTime}"
+                        Visibility="{x:Bind ViewModel.IsOAuthCapabilityEditable, Mode=OneWay}">
+                        <controls:SettingsCard.HeaderIcon>
+                            <FontIcon Glyph="&#xE787;" />
+                        </controls:SettingsCard.HeaderIcon>
+                        <ComboBox
+                            MinWidth="220"
+                            ItemsSource="{x:Bind ViewModel.CapabilityOptions, Mode=OneWay}"
+                            SelectedItem="{x:Bind ViewModel.SelectedCapabilityOption, Mode=TwoWay}">
+                            <ComboBox.ItemTemplate>
+                                <DataTemplate x:DataType="mailViewModels:AccountCapabilityOption">
+                                    <TextBlock Text="{x:Bind DisplayText}" />
+                                </DataTemplate>
+                            </ComboBox.ItemTemplate>
+                        </ComboBox>
+                    </controls:SettingsCard>
+
                     <controls:SettingsCard
                         HorizontalContentAlignment="Stretch"
                         VerticalContentAlignment="Stretch"
@@ -212,6 +236,7 @@
             <Grid
                 x:Name="MailSettingsPanel"
                 Grid.Row="2"
+                x:Load="{x:Bind ViewModel.HasMailAccess, Mode=OneWay}"
                 Visibility="Collapsed">
                 <StackPanel Spacing="4">
                     <StackPanel.ChildrenTransitions>
@@ -403,6 +428,7 @@
             <Grid
                 x:Name="CalendarSettingsPanel"
                 Grid.Row="2"
+                x:Load="{x:Bind ViewModel.HasCalendarAccess, Mode=OneWay}"
                 Visibility="Collapsed">
                 <StackPanel MaxWidth="900" Spacing="12">
 

Wino.Mail.WinUI/Views/Account/AccountManagementPage.xaml

@@ -25,7 +25,7 @@
                 Margin="0,2,0,0"
                 Click="RootAccountTemplate_Click"
                 CommandParameter="{x:Bind}"
-                Description="{x:Bind Account.Address}"
+                Description="{x:Bind DescriptionText}"
                 Header="{x:Bind Account.Name}"
                 IsClickEnabled="True">
                 <winuiControls:SettingsCard.HeaderIcon>
@@ -199,6 +199,7 @@
                 x:Name="AccountsListView"
                 Grid.Row="1"
                 x:Load="{x:Bind ViewModel.HasAccountsDefined, Mode=OneWay}"
+                CanReorderItems="True"
                 ItemContainerStyle="{StaticResource StretchedItemContainerStyle}"
                 ItemTemplateSelector="{StaticResource AccountProviderViewModelTemplateSelector}"
                 ItemsSource="{x:Bind ViewModel.Accounts, Mode=OneWay}"
@@ -208,7 +209,7 @@
                         <winuiControls:SettingsCard Description="{x:Bind domain:Translator.SettingsStartupItem_Description}" Header="{x:Bind domain:Translator.SettingsStartupItem_Title}">
                             <ComboBox
                                 MinWidth="150"
-                                ItemsSource="{x:Bind ViewModel.Accounts, Mode=OneTime}"
+                                ItemsSource="{x:Bind ViewModel.StartupAccounts, Mode=OneWay}"
                                 SelectedItem="{x:Bind ViewModel.StartupAccount, Mode=TwoWay}">
                                 <ComboBox.ItemTemplate>
                                     <DataTemplate x:DataType="interfaces:IAccountProviderDetailViewModel">
@@ -220,16 +221,10 @@
                                 <SymbolIcon Symbol="Account" />
                             </winuiControls:SettingsCard.HeaderIcon>
                         </winuiControls:SettingsCard>
-                        <winuiControls:SettingsCard
+                        <winuiControls:SettingsCard Description="{x:Bind domain:Translator.WinoAccount_Management_LocalDataSectionDescription}" Header="{x:Bind domain:Translator.WinoAccount_Management_LocalDataSectionTitle}">
-                            Description="{x:Bind domain:Translator.WinoAccount_Management_LocalDataSectionDescription}"
-                            Header="{x:Bind domain:Translator.WinoAccount_Management_LocalDataSectionTitle}">
                             <StackPanel Orientation="Horizontal" Spacing="12">
-                                <Button
+                                <Button Command="{x:Bind ViewModel.ImportLocalDataCommand}" Content="{x:Bind domain:Translator.WinoAccount_Management_LocalDataImportAction}" />
-                                    Command="{x:Bind ViewModel.ImportLocalDataCommand}"
+                                <Button Command="{x:Bind ViewModel.ExportLocalDataCommand}" Content="{x:Bind domain:Translator.WinoAccount_Management_LocalDataExportAction}" />
-                                    Content="{x:Bind domain:Translator.WinoAccount_Management_LocalDataImportAction}" />
-                                <Button
-                                    Command="{x:Bind ViewModel.ExportLocalDataCommand}"
-                                    Content="{x:Bind domain:Translator.WinoAccount_Management_LocalDataExportAction}" />
                             </StackPanel>
                             <winuiControls:SettingsCard.HeaderIcon>
                                 <SymbolIcon Symbol="Sync" />

Wino.Mail.WinUI/Views/Account/ImapCalDavSettingsPage.xaml

@@ -76,12 +76,18 @@
                                 Grid.Row="1"
                                 Grid.ColumnSpan="2"
                                 Header="{x:Bind ViewModel.PasswordHeaderText, Mode=OneWay}"
-                                Password="{x:Bind ViewModel.Password, Mode=TwoWay}" />
+                                Password="{x:Bind ViewModel.Password, Mode=TwoWay}"
+                                Visibility="{x:Bind ViewModel.IsMailPasswordInputVisible, Mode=OneWay}" />
                         </Grid>
 
+                        <StackPanel Spacing="10">
+                            <CheckBox
+                                Content="{x:Bind ViewModel.EnableMailSupportText, Mode=OneWay}"
+                                IsChecked="{x:Bind ViewModel.IsMailSupportEnabled, Mode=TwoWay}" />
                             <CheckBox
                                 Content="{x:Bind ViewModel.EnableCalendarSupportText, Mode=OneWay}"
                                 IsChecked="{x:Bind ViewModel.IsCalendarSupportEnabled, Mode=TwoWay}" />
+                        </StackPanel>
 
                         <StackPanel Spacing="8">
                             <TextBlock
@@ -93,7 +99,8 @@
                                 HorizontalAlignment="Left"
                                 Command="{x:Bind ViewModel.AutoDiscoverSettingsCommand}"
                                 Content="{x:Bind ViewModel.AutoDiscoverButtonText, Mode=OneWay}"
-                                Style="{ThemeResource AccentButtonStyle}" />
+                                Style="{ThemeResource AccentButtonStyle}"
+                                Visibility="{x:Bind ViewModel.IsMailActionsVisible, Mode=OneWay}" />
                         </StackPanel>
                     </StackPanel>
                 </Border>
@@ -103,7 +110,8 @@
                     Background="{ThemeResource CardBackgroundFillColorDefaultBrush}"
                     BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}"
                     BorderThickness="1"
-                    CornerRadius="8">
+                    CornerRadius="8"
+                    Visibility="{x:Bind ViewModel.IsMailSettingsVisible, Mode=OneWay}">
                     <StackPanel Spacing="16">
                         <StackPanel Spacing="2">
                             <TextBlock
@@ -176,7 +184,8 @@
                         <Button
                             HorizontalAlignment="Right"
                             Command="{x:Bind ViewModel.TestImapConnectionCommand}"
-                            Content="{x:Bind ViewModel.TestImapButtonText, Mode=OneWay}" />
+                            Content="{x:Bind ViewModel.TestImapButtonText, Mode=OneWay}"
+                            Visibility="{x:Bind ViewModel.IsMailActionsVisible, Mode=OneWay}" />
                     </StackPanel>
                 </Border>
 

Wino.Mail.WinUI/Views/Mail/IdlePage.xaml

@@ -9,7 +9,39 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
 
-    <!--  Empty page for disposing composer or renderer page.  -->
+    <Grid>
-    <Grid />
+        <StackPanel
+            MaxWidth="440"
+            HorizontalAlignment="Center"
+            VerticalAlignment="Center"
+            Spacing="12"
+            Visibility="{x:Bind ViewModel.IsMailEmptyStateVisible, Mode=OneWay}">
+            <TextBlock
+                HorizontalAlignment="Center"
+                Style="{StaticResource TitleTextBlockStyle}"
+                Text="{x:Bind ViewModel.MailEmptyStateTitle, Mode=OneWay}"
+                TextAlignment="Center"
+                TextWrapping="WrapWholeWords" />
+            <TextBlock
+                HorizontalAlignment="Center"
+                Foreground="{ThemeResource TextFillColorSecondaryBrush}"
+                Style="{StaticResource BodyTextBlockStyle}"
+                Text="{x:Bind ViewModel.MailEmptyStateMessage, Mode=OneWay}"
+                TextAlignment="Center"
+                TextWrapping="WrapWholeWords" />
+            <StackPanel
+                HorizontalAlignment="Center"
+                Orientation="Horizontal"
+                Spacing="12">
+                <Button
+                    Command="{x:Bind ViewModel.AddAccountCommand}"
+                    Content="{x:Bind ViewModel.AddAccountText, Mode=OneWay}"
+                    Style="{ThemeResource AccentButtonStyle}" />
+                <Button
+                    Command="{x:Bind ViewModel.ManageAccountsCommand}"
+                    Content="{x:Bind ViewModel.ManageAccountsText, Mode=OneWay}" />
+            </StackPanel>
+        </StackPanel>
+    </Grid>
 
 </abstract:IdlePageAbstract>

Wino.Mail.WinUI/Views/ProviderSelectionPage.xaml.cs

@@ -12,6 +12,16 @@ public sealed partial class ProviderSelectionPage : ProviderSelectionPageAbstrac
 
     private void ProviderSelectionChanged(ItemsView sender, ItemsViewSelectionChangedEventArgs args)
     {
+        if (sender.SelectedItem == null) return;
+
         ViewModel.SelectedProvider = sender.SelectedItem as Wino.Core.Domain.Interfaces.IProviderDetail;
     }
+
+    private void AccountColorGridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
+    {
+        if (e.AddedItems.Count > 0)
+        {
+            AccountColorFlyout.Hide();
+        }
+    }
 }

Wino.Mail.WinUI/Views/SpecialImapCredentialsPage.xaml

@@ -50,24 +50,33 @@
             <PasswordBox
                 x:Name="AppPasswordBox"
                 Header="{x:Bind domain:Translator.ProviderSelection_AppPasswordHeader}"
-                PasswordChanged="AppPasswordChanged" />
+                PasswordChanged="AppPasswordChanged"
+                Visibility="{x:Bind ViewModel.RequiresAppSpecificPassword, Mode=OneWay}" />
 
             <HyperlinkButton
                 HorizontalAlignment="Right"
                 Command="{x:Bind ViewModel.OpenAppPasswordHelpCommand}"
-                Content="{x:Bind domain:Translator.ProviderSelection_AppPasswordHelp}" />
+                Content="{x:Bind domain:Translator.ProviderSelection_AppPasswordHelp}"
+                Visibility="{x:Bind ViewModel.RequiresAppSpecificPassword, Mode=OneWay}" />
 
             <!--  Divider  -->
-            <Rectangle Height="1" Fill="{ThemeResource CardStrokeColorDefaultBrush}" />
+            <Rectangle
+                Height="1"
+                Fill="{ThemeResource CardStrokeColorDefaultBrush}"
+                Visibility="{x:Bind ViewModel.IsCalendarModeSelectionVisible, Mode=OneWay}" />
 
             <!--  Calendar Mode  -->
-            <TextBlock Style="{StaticResource BodyStrongTextBlockStyle}" Text="{x:Bind domain:Translator.ProviderSelection_CalendarModeHeader}" />
+            <TextBlock
+                Style="{StaticResource BodyStrongTextBlockStyle}"
+                Text="{x:Bind domain:Translator.ProviderSelection_CalendarModeHeader}"
+                Visibility="{x:Bind ViewModel.IsCalendarModeSelectionVisible, Mode=OneWay}" />
 
             <ListView
                 x:Name="CalendarModeListView"
                 IsItemClickEnabled="False"
                 SelectionChanged="CalendarModeSelectionChanged"
-                SelectionMode="Single">
+                SelectionMode="Single"
+                Visibility="{x:Bind ViewModel.IsCalendarModeSelectionVisible, Mode=OneWay}">
                 <!--  Disabled  -->
                 <ListViewItem>
                     <Grid Padding="12" ColumnSpacing="10">

Wino.Mail.WinUI/Views/WinoAppShell.xaml.cs

@@ -371,8 +371,13 @@ public sealed partial class WinoAppShell : Views.Abstract.WinoAppShellAbstract,
     {
         _ = DispatcherQueue.EnqueueAsync(async () =>
         {
-            ViewModel.NavigationService.ChangeApplicationMode(WinoApplicationMode.Mail);
             await ViewModel.MailClient.HandleAccountCreatedAsync(message.Account);
+
+            var targetMode = !message.Account.IsMailAccessGranted && message.Account.IsCalendarAccessGranted
+                ? WinoApplicationMode.Calendar
+                : WinoApplicationMode.Mail;
+
+            ViewModel.NavigationService.ChangeApplicationMode(targetMode);
         });
     }
 

Wino.Services/AccountService.cs

@@ -211,9 +211,6 @@ public class AccountService : BaseDatabaseService, IAccountService
 
         Guard.IsNotNull(token);
 
-        // Enable calendar access since new token includes calendar scopes
-        account.IsCalendarAccessGranted = true;
-
         await UpdateAccountAsync(account);
     }
 
@@ -270,6 +267,9 @@ public class AccountService : BaseDatabaseService, IAccountService
 
     public async Task CreateRootAliasAsync(Guid accountId, string address)
     {
+        if (string.IsNullOrWhiteSpace(address))
+            return;
+
         var rootAlias = new MailAccountAlias()
         {
             AccountId = accountId,

Wino.Services/DatabaseService.cs

@@ -97,6 +97,13 @@ public class DatabaseService : IDatabaseService
                 .ConfigureAwait(false);
         }
 
+        if (!accountColumns.Any(c => c.Name == nameof(MailAccount.IsMailAccessGranted)))
+        {
+            await Connection
+                .ExecuteAsync($"ALTER TABLE {nameof(MailAccount)} ADD COLUMN {nameof(MailAccount.IsMailAccessGranted)} INTEGER NOT NULL DEFAULT 1")
+                .ConfigureAwait(false);
+        }
+
         var folderColumns = await Connection.GetTableInfoAsync(nameof(MailItemFolder)).ConfigureAwait(false);
 
         if (!folderColumns.Any(c => c.Name == nameof(MailItemFolder.HighestKnownUid)))

Wino.Services/WinoAccountDataSyncService.cs

@@ -2,6 +2,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -245,7 +246,11 @@ public sealed class WinoAccountDataSyncService : IWinoAccountDataSyncService
                 var serverInformation = CreateImportedServerInformation(mailbox, account.Id);
 
                 await _accountService.CreateAccountAsync(account, serverInformation).ConfigureAwait(false);
+
+                if (account.IsMailAccessGranted)
+                {
                     await _accountService.CreateRootAliasAsync(account.Id, account.Address).ConfigureAwait(false);
+                }
 
                 if (account.ProviderType == MailProviderType.IMAP4)
                 {
@@ -289,7 +294,7 @@ public sealed class WinoAccountDataSyncService : IWinoAccountDataSyncService
             ? account.ServerInformation
             : null;
 
-        return new UserMailboxSyncItemDto
+        var mailbox = new UserMailboxSyncItemDto
         {
             Address = account.Address ?? string.Empty,
             ProviderType = (int)account.ProviderType,
@@ -316,6 +321,10 @@ public sealed class WinoAccountDataSyncService : IWinoAccountDataSyncService
             ProxyServerPort = serverInformation?.ProxyServerPort,
             MaxConcurrentClients = serverInformation?.MaxConcurrentClients
         };
+
+        SetOptionalBooleanProperty(mailbox, "IsMailAccessGranted", account.IsMailAccessGranted);
+
+        return mailbox;
     }
 
     private static MailAccount CreateImportedAccount(UserMailboxSyncItemDto mailbox)
@@ -334,6 +343,7 @@ public sealed class WinoAccountDataSyncService : IWinoAccountDataSyncService
             Base64ProfilePictureData = string.Empty,
             CreatedAt = DateTime.UtcNow,
             InitialSynchronizationRange = InitialSynchronizationRange.SixMonths,
+            IsMailAccessGranted = GetOptionalBooleanProperty(mailbox, "IsMailAccessGranted", defaultValue: true),
             IsCalendarAccessGranted = mailbox.IsCalendarAccessGranted,
             SynchronizationDeltaIdentifier = string.Empty,
             CalendarSynchronizationDeltaIdentifier = string.Empty,
@@ -410,6 +420,38 @@ public sealed class WinoAccountDataSyncService : IWinoAccountDataSyncService
     private static string CreateMailboxKey(string? address, int providerType)
         => $"{address?.Trim().ToLowerInvariant()}|{providerType}";
 
+    private static bool GetOptionalBooleanProperty<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicProperties)] T>(
+        T instance,
+        string propertyName,
+        bool defaultValue)
+    {
+        if (instance == null)
+            return defaultValue;
+
+        var property = typeof(T).GetProperty(propertyName);
+        if (property?.PropertyType != typeof(bool) || !property.CanRead)
+            return defaultValue;
+
+        return property.GetValue(instance) is bool boolValue
+            ? boolValue
+            : defaultValue;
+    }
+
+    private static void SetOptionalBooleanProperty<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicProperties)] T>(
+        T instance,
+        string propertyName,
+        bool value)
+    {
+        if (instance == null)
+            return;
+
+        var property = typeof(T).GetProperty(propertyName);
+        if (property?.PropertyType == typeof(bool) && property.CanWrite)
+        {
+            property.SetValue(instance, value);
+        }
+    }
+
     private static string TrimUtf8Bom(string jsonContent)
         => !string.IsNullOrEmpty(jsonContent) && jsonContent[0] == '\uFEFF'
             ? jsonContent[1..]