How to prevent NDR messages to be forwarded to external (SMTP) email address on Exchange 2007

Posted on 2010-08-16
Last Modified: 2012-06-27
I have setup a mailbox account with valid and functional email account. He also have a private external email address

All messages that are received mailbox@exchange.tld are forwarded to
I need to configure Exchange 2007 CAS to stop forwarding  only NDR emails to external address.
How can i do that?
Question by:Ivica Vugrinec
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LVL 32

Expert Comment

ID: 33445332
you would need to create a transport rule that uses his external contact as the recipient and the subject containing "Undeliverable:"

Author Comment

by:Ivica Vugrinec
ID: 33445920
No, i just tryed your advice - NDR messages are still forwarded. I tryed also some diffrent combinations of "subject" words but it just doesnt work for me. Any other advice?
LVL 32

Expert Comment

ID: 33445998
i tested too, and I don't think it is possible with system generated messages

Author Comment

by:Ivica Vugrinec
ID: 33446081
So, is the final "solution" - it can not be done (on exchange)?
LVL 32

Accepted Solution

endital1097 earned 500 total points
ID: 33446261
yes, system messages are not processed by rules agents

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