[G4] Returned mail: User unknown

[postoffice at listserver.themacintoshguy.com]

The original message was received at 2008-06-07 16:29:10 -0400
from postoffice.local [10.0.0.1]

   ----- The following addresses had permanent fatal errors -----
<cdt at globaldsl.net>

   -----Transcript of session follows -----
... while talking to postoffice.local.:
>>> RCPT To:<cdt at globaldsl.net>
<<< 550 5.1.1 unknown or illegal alias: cdt at globaldsl.net
550 <cdt at globaldsl.net>... User unknown
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From: VIAGRA ® Official Site <g4 at listserver.themacintoshguy.com>
Subject: [G4] Dear g4 at listserver.themacintoshguy.com June 83% 0FF
Date: Sat,  7 Jun 2008 10:00:34 -0700 (PDT)
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