The original message was received at Thu, 6 Mar 2008 12:52:14 -0800
from lb.z57.com [209.75.14.120]
----- The following addresses had permanent fatal errors -----
<jwhite@gmail.com>
(reason: 550 5.1.1 No such user q18si5706526pog.12)
----- Transcript of session follows -----
... while talking to gmail-smtp-in.l.google.com.:
>>> RCPT To:<jwhite@gmail.com>
<<< 550 5.1.1 No such user q18si5706526pog.12
550 5.1.1 <jwhite@gmail.com>... User unknown