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See <a href="http://technet.microsoft.com/en-us/library/aa997037.aspx" rel="ugc">http://technet.microsoft.com/en-us/library/aa997037.aspx</a>&nbsp;for information about the postmaster mailbox.<br />
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If you have a particular account already used for the purpose, then make sure the new domain is set as the default SMTP address on the E-mail addresses tab in AD Users &amp;&nbsp;Computers.
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See http://technet.microsoft.com/en-us/library/aa997037.aspx [http://technet.microsoft.com/en-us/library/aa997037.aspx] for information about the postmaster mailbox.

If you have a particular account already used for the purpose, then make sure the new domain is set as the default SMTP address on the E-mail addresses tab in AD Users & Computers.

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How can I change the external postmaster address? I have recently changed company names and everything internal as far as addresses reflect the new name. However when DS's are received by a internet recipient, the old posmaster address is showing. I have found the account responsible for the postmaster@etc and added the new domain. &nbsp;However this does not affect messages sent from the internet.
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How can I change the external postmaster address? I have recently changed company names and everything internal as far as addresses reflect the new name. However when DS's are received by a internet recipient, the old posmaster address is showing. I have found the account responsible for the postmaster@etc and added the new domain.  However this does not affect messages sent from the internet.

External Postmaster Address

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.