Improve logging with auth type none

Messaging/Mail/MailSession.vb

@@ -216,11 +216,11 @@ Namespace Mail
 
             Else
                 Try
-                    Logger.Debug("Unknown Auth type. Using PLAINTEXT connection.")
+                    Logger.Debug("Auth type [{0}]. Using PLAINTEXT connection.", Session.AuthType)
                     Client.Connect(pSession.Server, pSession.Port, useSSL:=False)
                     Logger.Info("Connection Successful!")
                 Catch ex As Exception
-                    Logger.Warn("Error while connecting with Auth type PLAINTEXT!")
+                    Logger.Warn("Error while connecting with Auth type [{0}]!", Session.AuthType)
                     Logger.Error(ex)
 
                     pSession.Error = ex