Some attachments are getting blocked for a single user


I have an issue with one user having problems receiving attachments via exchange.   When a user from a sister company emails an attachment to 3 people in our company, 2 of the users get it, and one does not.  When one of the two users forwards the email to that user, he receives it  fine.  To compound the problem even more, sometimes he will receive attachments from that user.  It seems like a sporadic problem that occurs from a single sender.

Thinking the problem was with his laptop, I replaced it with a new machine.  It did not resolve the problem.

Is there a location in Exchange 2003 that I can check to verify if there is a setting that blocks his attachments?  Is there a location in Exchange 2003 where I can revert a user back to the defaults?


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Veerappan SundaramSenior Technical ConsultantCommented:
Let me know the result for the following:
1. Check the message size on the 3 mailboxes (from the same user)
2. What is the version of outlook for all these 3 users?
3. Do you see a message "Outlook blocked access to the following potentially unsafe attachements"
    just above the FROM address? If yes, check 
4. Check those emails using OWA (Outlook Web Access) for the problematic user.

>>>> Veera.

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