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Missing Email - Exchange 2003

Posted on 2012-08-23
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Last Modified: 2014-08-12
Hello Experts,

We have a user that reported a missing email from 20 days ago.  Our message tracking is set for 14 days so we aren't able to trace it.  What we do have are the smpt logs.  Looking at the log i found the transmission of the message in question, but it looks to be incomplete.   The transmission includes a successful ehlo, mail from, and rcpt to, but I don't see a data command or a quit command, which i suspect is the culprit of either the sending service or exchange.  could anyone shed some light on this for me? how could a transmission be missing a quit message.  from what i gather, even a reset of a connection should have at least a quit ???

2012-07-31 03:00:26 74.205.4.52 xxxxx.com SMTPSVC1 xxxxxx 192.168.1.200 0 EHLO - +xxxx.com 250 0 325 27 0 SMTP - - - -
2012-07-31 03:00:26 74.205.4.52 xxxxx.com SMTPSVC1 xxxxx 192.168.1.200 0 MAIL - +FROM:<xxxxx@hotmail.com> 250 0 45 46 0 SMTP - - - -
2012-07-31 03:00:26 74.205.4.52 xxxxx.com SMTPSVC1 xxxx 192.168.1.200 0 RCPT - +TO:<xxx@xxxx.com> 250 0 39 57 0 SMTP - - - -
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Question by:sguido
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Simon Butler (Sembee) earned 1500 total points
ID: 38327669
Increase the tracking log period to 30 days or more to cover yourself...
Although if the message wasn't delivered then it wouldn't be in tracking anyway.

What you have seen is quite normal if the connection wasn't terminated correctly. I have seen firewalls do this, the PIX is notorious for it. AV can also do the same thing, McAfee has an SMTP scanning feature that has produced similar results.

Simon.
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