Can I prevent the from sending mail from an Exchange server

Posted on 2006-11-16
Last Modified: 2008-01-09
Can I prevent the from sending mail from a Win 2003 Exchange server?

Question by:porourke61
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LVL 104

Accepted Solution

Sembee earned 125 total points
ID: 17957784
You can't stop postmaster from sending emails as those are NDR's - non delivery reports.
If you are under an NDR attack and have many email messages in the queues from postmaster@ then you will need to look at your server settings and cleanup.


Author Comment

ID: 17978842
Is there a way to stop the postmaster from replying to the NDR's?   Is there a way to tell where the NDR's are coming from?

LVL 104

Expert Comment

ID: 17979692
If you are using Exchange 2003 then you should configure recipient filtering. That will stop most of the postmaster@ email messages.


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