troubleshooting Question

Stop non delivery receipts on Exchange Server for unknown users

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MawallaceFlag for United Kingdom of Great Britain and Northern Ireland asked on
3 Comments1 Solution571 ViewsLast Modified:
In order to avoid spammers hitting the Exchange Server, I would like to stop the Exchange Server sending out non delviery reports where a user is not recongised. Coudl someone point me to how I can turn this off please? I want to simply drop the message

For reference, the non delivery report for users not reconiged is:-
"This is an automatically generated Delivery Status Notification.

Delivery to the following recipients failed.

Received-From-MTA: dns;
Arrival-Date: Thu, 25 Oct 2007 16:45:04 +0100

Final-Recipient: rfc822;
Action: failed
Status: 5.1.1

Test message
Mark Wallace <>
Thu, 25 Oct 2007 16:44:15 +0100
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