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Senders not receiving NDR when sending to invalid email addresses

Posted on 2006-10-26
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Last Modified: 2010-03-06
Can someone tell me how to tell if I have disabled the option for Exchange to send NDR reports to users that try to email to an invalid address. these are users outside our domain sending to email addresses to us that dont exist...
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Question by:lsysamc
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wwwally earned 125 total points
ID: 17815058
To enable or disable ndr's look here:
Launch the Exchange System Manager, navigate to Global Settings, Internet Message Format.  Select the Advanced tab. (Un)check Allow non-delivery reports.

Source:
http://www.computerperformance.co.uk/exchange2003/exchange2003_NDR.htm

Good luck,

Walter
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Author Comment

by:lsysamc
ID: 17815099
WE do want to allow NDR's. I verified that this was checked. I suspect our Spam filter is blocking as a DHA??
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