anyone see this error before in postfix

[Patrick Siglin]

This is the Postfix program at host list.memphistw.org. 

I'm sorry to have to inform you that your message could not 
be delivered to one or more recipients. It's attached below. 

For further assistance, please send mail to <postmaster> 

If you do so, please include this problem report. You can 
delete your own text from the attached returned message. 

              The Postfix program 

<chip.collins at memphistw.org>: mail for memphistw.org loops back to myself 

 
Final-Recipient: rfc822; chip.collins at memphistw.org 
Action: failed 
Status: 5.0.0 
Diagnostic-Code: X-Postfix; mail for memphistw.org loops back to myself 

 
From: "Patrick Siglin" <poison at list.memphistw.org> 
To: <chip.collins at memphistw.org> 
Subject: 
Date: Sat, 4 Mar 2006 19:58:58 -0600 
 
my linux box is list.memphistw.org
my exchange box is memphistw.org
if it telnet to memphistw.org 25 from linux it gets to exchange.
if I telnet to list.memphistw.org 25 from linux it gets to linux.
I don't know what changed. I included my cf files incase anyone see's 
something obvious.


--
poison at list.memphistw.org

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