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Returned Email

Posted on 2004-03-31
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Last Modified: 2010-03-05
Windows 2000 server running exchange 5.5
Clients running windows xp pro and outlook 2000

I have a few users who keep getting undeliverable email messages. The message says that the address that they are sending it to is not a valid email address. The problem lies in the fact that these users did not send the original email and I am puzzled as to what to do to verify that we are not hacked. I have relay disabled.
Where else to look?
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Question by:kkiedrowski
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6 Comments
 
LVL 20

Expert Comment

by:Debsyl99
ID: 10724577
Hi

Could it be a mass-mailing worm/virus problem? Sounds like it. What's your antivirus setup like, and have you got exchange aware av?

Deb :))
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Expert Comment

by:Debsyl99
ID: 10724660
Scan the offending clients, and update or install an exchange-aware av solution and scan the mailboxes etc, listed partners here:

http://www.microsoft.com/exchange/partners/antivirus.asp
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Author Comment

by:kkiedrowski
ID: 10724725
We have antivirus software on the server. infact we have two layers.
We have it filters and scanned before it comes into our server and then we use a local scan on all incoming/outgoing email.
However, I am not 100% sure about the client machine.
I will push the virus software to them and see if that fixes it.
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Author Comment

by:kkiedrowski
ID: 11068384
I have yet to find a virus on this machine
it appears to be ahppenign on others as well
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GhostMod earned 0 total points
ID: 11071820
PAQed - no points refunded (of 500)

>Asker
You didn't come back to tell if the virus scanning worked or not

GhostMod
Community Support Moderator
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