SMTP show supplied error message on failure

Author: PandaWood

src/ExceptionReporter/ExceptionReportPresenter.cs

@@ -134,7 +134,7 @@ private void SendSmtpMail()
 			try
 			{
 				var mailSender = new MailSender(ReportInfo);
-				mailSender.SendSmtp(emailText, _view.SetEmailCompletedState);
+				mailSender.SendSmtp(emailText, _view);
 			}
 			catch (Exception exception)
 			{

src/ExceptionReporter/Mail/MailSender.cs

@@ -15,6 +15,7 @@ class MailSender
 		public delegate void CompletedMethodDelegate(bool success);
 		private readonly ExceptionReportInfo _reportInfo;
 		private AttachAdapter _attacher;
+		private IExceptionReportView _view;
 
 		internal MailSender(ExceptionReportInfo reportInfo)
 		{
@@ -24,8 +25,9 @@ internal MailSender(ExceptionReportInfo reportInfo)
 		/// <summary>
 		/// Send SMTP email
 		/// </summary>
-		public void SendSmtp(string exceptionReport, CompletedMethodDelegate setEmailCompletedState)
+		public void SendSmtp(string exceptionReport, IExceptionReportView view)
 		{
+			_view = view;
 			var smtpClient = new SmtpClient(_reportInfo.SmtpServer)
 			{
 				DeliveryMethod = SmtpDeliveryMethod.Network,
@@ -37,10 +39,23 @@ public void SendSmtp(string exceptionReport, CompletedMethodDelegate setEmailCom
 
 			var mailMessage = CreateMailMessage(exceptionReport);
 
-			smtpClient.SendCompleted += delegate { setEmailCompletedState.Invoke(true); };
+			smtpClient.SendCompleted += SmtpClient_SendCompleted;
 			smtpClient.SendAsync(mailMessage, "Exception Report");
 		}
 
+		private void SmtpClient_SendCompleted(object sender, System.ComponentModel.AsyncCompletedEventArgs e)
+		{
+			if (e.Error != null)
+			{
+				_view.SetEmailCompletedState(true);
+				_view.ShowErrorDialog(e.Error.Message, e.Error);
+			}
+			else
+			{
+				_view.SetEmailCompletedState(false);
+			}
+		}
+
 		private MailMessage CreateMailMessage(string exceptionReport)
 		{
 			var mailMessage = new MailMessage(_reportInfo.SmtpFromAddress, _reportInfo.EmailReportAddress)

src/WinFormsDemoApp/DemoAppView.cs

@@ -54,12 +54,12 @@ private static void Throw_CustomMessage_Click(object sender, EventArgs e)
 
 				//--- smtp
 //				exceptionReporter.Config.MailMethod = ExceptionReportInfo.EmailMethod.SMTP;
-//				exceptionReporter.Config.SmtpPort = 465;
+//				exceptionReporter.Config.SmtpPort = 587;
 //				exceptionReporter.Config.SmtpServer= "smtp.gmail.com";
 //				exceptionReporter.Config.SmtpUsername = "<user>@gmail.com";
 //				exceptionReporter.Config.SmtpUseSsl = true;
 //				exceptionReporter.Config.SmtpPassword = "<password>";
-//				exceptionReporter.Config.SmtpFromAddress = "user@exceptionreport.com";
+//				exceptionReporter.Config.SmtpFromAddress = "<user>@gmail.com";
 //
 //				exceptionReporter.Config.EmailReportAddress = "<user>@gmail.com";
 				//----