Email flow problem in Exchange 2003

Posted by Hugo Garcia on Server Fault See other posts from Server Fault or by Hugo Garcia
Published on 2010-11-17T20:36:35Z Indexed on 2010/12/25 10:55 UTC
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Hello colleagues,

I have a problem whit some emails that are not being delivered to the user inbox. The SMTP server on the DMZ that receives email from the internet is a Symantec Brigthmail Gateway, this server reports that the message was delivered normally to the exchange server:

Screenshoot2

The DMZ server forwars the incoming mail to the exchange server that is on the LAN segment, and the message tracking on the exchange server reports the email being submited to the advanced queue:

http://img1.uploadscreenshot.com/images/orig/11/32015184068-orig.jpg

I have done severals searches on google, without any luck.
have any one of you guys experienced similar problems?

Any help or pointers would be very appreciated.

as requested, here is a transcript of a smtp session:


helo
250 mail2.XXXXXXXXXXXXXXXX.XXX.XX Hello [192.168.9.6]
MAIL FROM: [email protected]
RCPT TO: [email protected]
DATA
Subject: Mensaje de Prueba

Test
.

250 2.1.0 [email protected] OK  
250 2.1.5 [email protected]  
354 Start mail input; end with <CRLF>.<CRLF>  
250 2.6.0 <'[email protected]> Queued mail for
 delivery

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