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.NET Forum / .NET Framework / New Users / March 2008System.Net.Mail
We are converting some applications from Frwk 1.1 to 2.0 We have changed System.web.mail to System.net.mail.. (using the samples provider by msdn site to send mail (quite easy, its almost the same) one curious Issue has arisen in out testing... The Email is not actually sent out until the test app is closed.. Any ideas why? and a workaround? Your question is a little vague. I have some 1.1 and 2.0 overlapping examples at: http://sholliday.spaces.msn.com/ 2/8/2006 entry You need to check your wwwroot/mail folder also. Are they being help up in one of those subfolders? Because your smtp server might have several different authentication mechanisms...... there's not really blanket answers for smtp. (in my experience) > We are converting some applications from Frwk 1.1 to 2.0 > [quoted text clipped - 6 lines] > > Any ideas why? and a workaround? Here is the code... This code executes just fine.. the email however is not actually sent until the application is closed... Try Dim objMail As New System.Net.Mail.MailMessage(EMAIL_FROM, UserName & "@" & ALLOWED_DOMAIN & ".com") objMail.Attachments.Add(New System.Net.Mail.Attachment(DecryptedFileName)) objMail.Bcc.Add(EMAIL_FROM) objMail.Subject = "Decrypted File: " & ShortName objMail.IsBodyHtml = True objMail.Priority = Net.Mail.MailPriority.Normal Dim objSMTP As New System.Net.Mail.SmtpClient(EMAIL_SERVER) objSMTP.Send(objMail) Catch ex As Exception MsgBox(ex.ToString) End Try I'd try removing (for testing purposes) .. the attached file. maybe your app has a lock on the file or something? you also .. (as a general rule in vb.net) place Option Strict On Option Explicit On at the top of every class...........as in.. ~every class.............. Why? This line is deficient: > Dim objMail As New System.Net.Mail.MailMessage(EMAIL_FROM, UserName & > "@" & ALLOWED_DOMAIN & ".com") With stronger typing, it should be: > Dim objMail As System.Net.Mail.MailMessage = New System.Net.Mail.MailMessage(EMAIL_FROM, UserName & > "@" & ALLOWED_DOMAIN & ".com") I can't prove it does/affects anything, but perhaps it can. The "Option" stuff makes the syntax more strongly typed, like c#. > Here is the code... > [quoted text clipped - 15 lines] > MsgBox(ex.ToString) > End Try I just put OPs code into a blank VB 2005 project with Explicit and Strict On. Code will compile as is. dim objMail as New System.Net.Mail.Message(...) is syntactically the same as dim objMail as System.Net.MailMessage = new System.Net.Mail.Message(...) ================ What happens when your code is run in the debugger and you single step through it? Does the email go immediately or later? Mike Ober. What happens when you single step through your code. > I'd try removing (for testing purposes) .. the attached file. > [quoted text clipped - 45 lines] > > MsgBox(ex.ToString) > > End Try > one curious Issue has arisen in out testing... The Email is not actually > sent out until the test app is closed.. Ask the person who wrote the app. The app is a set of instructions, which includes instructions regarding how the SmtpClient is to be used. As we have no access to the code, we can only make wild guesses.  SignatureHTH, Kevin Spencer Microsoft MVP Professional Chicken Salad Alchemist I recycle. I send everything back to the planet it came from. > We are converting some applications from Frwk 1.1 to 2.0 > [quoted text clipped - 6 lines] > > Any ideas why? and a workaround? See response to Slone, code is there for viewing.. thanks > > one curious Issue has arisen in out testing... The Email is not actually > > sent out until the test app is closed.. [quoted text clipped - 13 lines] > > > > Any ideas why? and a workaround? I found your Problem... It's Norton AntiVirus... If you Disable "E-Mail Auto-Protection" the emails go out just fine as it should... If you Enable "E-Mail Auto-Protection" The emails will not go out until the test app is closed... Why this happens? I do not know... Does anyone else? Anyone got a work around that does not involve Turning off e-Mail Protection? > We are converting some applications from Frwk 1.1 to 2.0 > [quoted text clipped - 6 lines] > > Any ideas why? and a workaround? AntiVirus software is famous for interfering with software development in general. Norton is reputably the best, but it sucks for us developers. I don't use live protection of any kind. I just do scheduled scans during down time. And I try to stay away from anything that might give me a virus! SignatureHTH, Kevin Spencer Microsoft MVP Professional Chicken Salad Alchemist I recycle. I send everything back to the planet it came from. >I found your Problem... It's Norton AntiVirus... > [quoted text clipped - 22 lines] >> >> Any ideas why? and a workaround? Dump Norton? Mike. > I found your Problem... It's Norton AntiVirus... > [quoted text clipped - 20 lines] > > > > Any ideas why? and a workaround? Dispose the objects and set them to nothing. IE - smtpServer.Send(msg) msg.Dispose() smtpServer = Nothing msg = Nothing We had the same issue, but this resolved it. Thanks From http://www.developmentnow.com/g/6_2006_6_0_0_776412/System-Net-Mail.ht
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