The original message was received at Sun, 21 Dec 2008 18:48:34 -0800
from lb.z57.com [209.75.14.120]
----- The following addresses had permanent fatal errors -----
<hkgunman@yahoo.com>
(reason: 554 delivery error: dd This user doesn't have a yahoo.com account (hkgunman@yahoo.com) [0] - mta146.mail.ac4.yahoo.com)
----- Transcript of session follows -----
... while talking to a.mx.mail.yahoo.com.:
>>> DATA
<<< 554 delivery error: dd This user doesn't have a yahoo.com account (hkgunman@yahoo.com) [0] - mta146.mail.ac4.yahoo.com
554 5.0.0 Service unavailable