Exchange2003 - additional smtp addresses getting sent to postmaster account

jimmyray7 used Ask the Experts™
I have added a second smtp address to a user in AD users & computers.  Same domain, different address - primary is, new is  All mail sent to this address (and any other smtp addresses I create now) get put into the postmaster account.  However, smtp addresses I added in the past continue to work properly.

When I telnet to the smtp server, here's what I get:

220 Microsoft ESMTP MAIL Service, Version: 6.0.3790.3959 ready at Fri, 29 Jan 2010 11:28:45 -0800
helo test
250 Hello [IP]
mail from:
250 2.1.0 OK
rcpt to:
250 2.1.5

It automatically switches to postmaster.  I don't understand.  I've tried making it the Primary SMTP address, updating the recipient policy, unchecking the "update recipient policy" option.  I have added and removed the address numerous times.

Any ideas?

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Hmm a little vague
is the primary and additional smtp address the same domain or different? e.g.; second:


Same domain -,
This is a little vague as comment by earlier expert. I suspect the additional SMTP mail or any other information is not been updated by exchange. my first suggestion is to re-start the server and make sure all the latest exchange (and server 2003) service pack and updates are installed.


I'm an idiot.  Restarting did resolve the issue.  I've never had that happen before though.   Thanks.

I am glad could assist you with your query. I wouldn't go as far as calling yourself idiot, I work as a freelance network engineer / consultant and believe me I see these types of errors always popping up. My advise in solving any issue is THINK SIMPLE first.



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