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Topic: Error when downloading Envelopes

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jnapier
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Newbie

Joined: 01 March 2010
Location: United States
Online Status: Offline
Posts: 2

Posted: 01 March 2010 at 6:45pm \| IP Logged

Hi, Im getting an error when attempting to download envelopes from a folder.

This is the error
The server has responded with negative reply. The server responded: MBN00000004 NO The specified message set is invalid..

Stack Trace
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Stack Trace at c3.a(e9 A_0) at c3.ai() at bc.b(String A_0, fb A_1, Boolean A_2) at bc.a(String A_0, fb A_1, Boolean A_2) at g2.a(String A_0, Boolean A_1) at g2.a(String A_0, Boolean A_1, EnvelopeParts A_2, Int32 A_3, String[] A_4, String[] A_5, Boolean A_6, Boolean A_7) at c0.a(String A_0, Boolean A_1, EnvelopeParts A_2, Int32 A_3, String[] A_4, String[] A_5) at c0.a(Boolean A_0, String A_1, Boolean A_2, EnvelopeParts A_3, Int32 A_4, String[] A_5, String[] A_6) at MailBee.ImapMail.Imap.DownloadEnvelopes(String messageIndexSet, Boolean indexIsUid, EnvelopeParts parts, Int32 bodyPreviewSize, String[] extraHeaders, String[] extraItems) at MailBee.ImapMail.Imap.DownloadEnvelopes(String messageIndexSet, Boolean indexIsUid) at

Code

     //open the bounced welcome email folder on the server
                      imapServer.SelectFolder(settings.WelcomeEmailFolderName);


                      //get the envelopes for all the emails in the folder
                      _log.Debug("Retrieving messages from mail server.");
                      EnvelopeCollection envelopes = imapServer.DownloadEnvelopes(Imap.AllMessages, false);

                      if(envelopes.Count <= 0){
                           _log.Info("No messages found in mail folder.");
                           return;
                      }

Any ideas on how to resolve this would be greatly appreciated.

Thanks,
Jesse

Igor
AfterLogic Support

Joined: 24 June 2008
Location: United States
Online Status: Offline
Posts: 6104

Posted: 02 March 2010 at 2:16am \| IP Logged

I would suggest checking imapServer.MessageCount property prior to calling DownloadEnvelopes method. If there are no messages in selected folder, some mail servers might reject an attempt to download envelopes.

--
Regards,
Igor, AfterLogic Support

jnapier
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Newbie

Joined: 01 March 2010
Location: United States
Online Status: Offline
Posts: 2

Posted: 02 March 2010 at 9:54am \| IP Logged

Yes, it appears that the error was occurring when there were no messages in the folder. I didnt see any examples indicating this needed to be done. Checking the count first resolves the problem.

Thanks.

bobmorton
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Joined: 28 September 2010
Location: United States
Online Status: Offline
Posts: 1

Posted: 01 October 2010 at 8:07pm \| IP Logged

Oh I got the same error. I can't fixed it yet

... I'll try to do what you say.

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