[iBook] Returned mail: User unknown

[postoffice at listserver.themacintoshguy.com]

The original message was received at 2009-05-15 22:38:16 -0600
from postoffice.local [10.0.0.1]

   ----- The following addresses had permanent fatal errors -----
<jamesphillip at mt.net>

   -----Transcript of session follows -----
... while talking to postoffice.local.:
>>> RCPT To:<jamesphillip at mt.net>
<<< 550 5.1.1 unknown or illegal alias: jamesphillip at mt.net
550 <jamesphillip at mt.net>... User unknown
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From: VIAGRA Inc. <ibook at listserver.themacintoshguy.com>
Subject: [iBook] RE: Pharmacy Online Sale 81% OFF!
Date: Mon, 11 May 2009 06:13:36 +0700
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