Initial commit.

Wino.Core.Domain/Exceptions/SystemFolderConfigurationMissingException.cs

@@ -0,0 +1,7 @@
+namespace Wino.Core.Domain.Exceptions
+{
+    /// <summary>
+    /// When IMAP account's system folder configuration setup is not done yet.
+    /// </summary>
+    public class SystemFolderConfigurationMissingException : System.Exception { }
+}