Duplicate email on exchange server 2003 to user.

35 pts.
Tags:
Exchange 2003
Outlook
Outlook 2007
Essentially this is the rundown. User has an exchange email account. Gets an email with a video that's 7mb large. Deletes the email (doesn't even open it). The email went through exchange server 2003 with antivirus scanning and found no known viruses (engine is up to date). Said email continuously repeats its self into this email account. Blocked the sender locally (on user's email account). Blocked the IP address on the server side. Still getting email. User's data file is about 2GBs large. Moved to a different computer and logged onto the domain and still no change (is still downloading email with same email coming through). Any suggestions?
ASKED: March 11, 2008  8:48 PM
UPDATED: March 12, 2008  1:24 AM

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I had a similar problem recently that turned out to be our Ironmail Spam filter, essentially we had to check out RBL servers– one was defunct and causing the RBL to time out and the message was being sent through multiple times.

In this situation the headers were identicle except for the last SMTP delivery in each header that was to our Ironmail server– it had the current time of delivery for that copy.

Essentially, the ironmail was dropping the connection but delivering the message. The sending server believed it was not delivered and retried.

What do the headers time stamps look like on your messages, are they the same or different?

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