The original message was received at Sat, 9 Feb 2008 12:19:05 -0800
from lb.z57.com [209.75.14.120]
----- The following addresses had permanent fatal errors -----
<kdjf@skjdf.com>
(reason: 550 Host unknown)
----- Transcript of session follows -----
550 5.1.2 <kdjf@skjdf.com>... Host unknown (Name server: skjdf.com: host not found)