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How to block NDRs from Distribution Lists - Exchange 2003

I have stopped all users (except authenticated) from using a distribution list. Now I need to make sure that internet users do not get NDR reports from my SBS 2003 / Exchange 2003 server.

We are running Symantec Endpoint 12.1 for email as well, if that is of any help.

thanks,

S.....

arnold

Add a filter based on destination of the distribution list to have NDR captured.
Alternatively, add an Error-To: alternateaddress to distribution list outgoing emails.

svillardi

ASKER

Can you explain how to do this?

arnold

You have to use Server side filtering....

https://technet.microsoft.com/en-us/library/bb124301%28v=exchg.65%29.aspx

While responding, are you looking for NDRs not to be issued by your server or not resending NDrs that are comming back?

svillardi

ASKER

Only from a particular distribution list on my exchange server.

arnold

Which way is the NDR ?

user a sending email to distribution list,
A recipient of the distribution list has email issues such that their email server send an NDR back. Is this NDR that you do not want to be redistributed?

svillardi

ASKER

No. Internet user sends email. Only domain / authorized users allowed to send to distribution list. I do not want the outside user to know that that the message was refused.

arnold

Oh, not sure you can. without affecting the normal behavior.

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Simon Butler (Sembee)

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svillardi

ASKER

Interesting workaround. Thanks. I'll try it.