- In ESM, navigate to Servers -> Protocols -> SMTP.
- Right click Default SMTP Queue, select Properties.
- Go to the Messages tab.
- In the field titled Send Copy of Non-Delivery Report to:, enter a valid SMTP email address. For example: postmaster@your_domain.tld
Microsoft recommends that you also create a postmaster email address for NDRs that come from other servers. This can be a secondary SMTP address for a user or a mail-enabled user account. Use Active Directory Users and Computers to add the email address or mail-enabled account.
To process infrequent NDR messages, this user will not initially receive the actual message that caused the NDR until the postmaster or administrator opens the NDR itself and clicks 'Send Again.' This in turn retrieves the original message that generated the NDR, and can be forwarded if desired.
For more information, see Microsoft KB article 294757 "How to control non-delivery reports when you use Exchange 2000 or Exchange 2003."
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