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exchange - smtp  - relaying

Posted on 2008-10-17
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Last Modified: 2012-05-05
exchange server 2003 (upgraded from 2000) before upgrade this situation was working

Here is situation :

If i use outlook, outlook express, Thunderbird(pop and smtp) to send mail, mail is delivered everywhere so from the point of regular user mail is working.
but if i use telnet exchange.mydomain.local 25, and try to send mail from admin@something.com to mail recipient outside company i get NDR.

Your message did not reach some or all of the intended recipients.
 Subject: Test      
 The following recipient(s) cannot be reached:
     (working mail address from my home)  name@homeISP.com on 16.10.2008 16:34
            The e-mail address could not be found.  Perhaps the recipient moved to a different e-mail organization, or there was a mistake in the address.  Check the address and try again.
            <.exchange.mydomain.LOCAL #5.1.8 smtp;553 5.1.8 <admin@something.com>... Domain of sender address admin@something.com does not exist>


If i telnet again and use mail recipient from inside mydomain mail is delivered.
The server(inside LAN) from which i try to send emails is granted to relay (ip address) on properties of smtp protocol .

Any solution ?
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Question by:damiro1412
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Paka earned 500 total points
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You'll need to add the SMTP addresses of all domains to your new server's RUS.  See:
http://msexchangeteam.com/archive/2004/10/14/242310.aspx
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