Imap flow.

Wino.Core/Services/AutoDiscoveryService.cs

@@ -11,6 +11,7 @@ using Serilog;
 using Wino.Core.Domain.Interfaces;
 using Wino.Core.Domain.Models;
 using Wino.Core.Domain.Models.AutoDiscovery;
+using Wino.Core.Domain.Validation;
 
 namespace Wino.Core.Services;
 
@@ -450,6 +451,9 @@ public class AutoDiscoveryService : IAutoDiscoveryService
 
     private async Task<bool> HasAnyDnsAddressRecordAsync(string host, CancellationToken cancellationToken)
     {
+        if (MailAccountAddressValidator.IsImplicitlyResolvableHost(host))
+            return true;
+
         var aRecords = await QueryDnsAsync(host, "A", cancellationToken).ConfigureAwait(false);
         if (aRecords.Count > 0)
             return true;

Wino.Core/Services/SynchronizationManager.cs

@@ -123,7 +123,7 @@ public class SynchronizationManager : ISynchronizationManager, IRecipient<Accoun
         catch (ImapClientPoolException clientPoolException)
         {
             _logger.Error(clientPoolException, "IMAP connectivity test failed");
-            return ImapConnectivityTestResults.Failure(clientPoolException);
+            return ImapConnectivityTestResults.Failure(clientPoolException.InnerException ?? clientPoolException);
         }
         catch (Exception exception)
         {