Email Bounce issue

Manoj Bojewar
Manoj Bojewar used Ask the Experts™
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one of my user send email to few internal and one external recipient and he got below bounce back message. Remote Server returned '550 4.4.7 QUEUE.Expired;. Not sure the cause of this error. i verified message log header and find only suspected thing is message content type shows :       application/ms-tnef; name="winmail.dat".

Exchange 2013 and outlook 2013
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KimputerIT Manager

Commented:
It totally depends on what queue it is. Is this a response of their own Exchange server, or is it a response of their own Exchange server AFTER a conversation with the destination server (it will tell you in the error message, the responsible server).
That way you know if it's YOUR queue that's expired, or the other queue.
Assuming for now that it's your own queue, check your logs or use Wireshark to check the whole email conversation why the email is not being accepted. If nothing shows, it could be a wrong email address or DNS entry (and your mail server tries to connect to an IP that's not responding).
Jason CrawfordTransport Ninja

Commented:
Don't worry about the winmail.dat line, that's normal.  Assuming this is an Exchange server, check the SMTPSend protocol logs for a detailed view of the SMTP conversation between your server and the recipeints:

%ExchangeInstallPath%\TransportRoles\Logs\ProtocolLog\SmtpSend

The path for Exchange 2013 is:

%ExchangeInstallPath%\TransportRoles\Logs\Hub\ProtocolLog\SmtpSend

Verbose logging has to be enabled:

https://technet.microsoft.com/en-us/library/bb124531(v=exchg.150).aspx
Commented:
After doing complete analysis, identified the problem with Signature logo hyperlink to my company websites. After removing logo hyperlink, it started working fine
Manoj Bojewar

Author

Commented:
it almost take 15 days for me to identify this problem.

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