The original message was received at Fri, 25 Jan 2008 13:06:02 -0800
from lb.z57.com [209.75.14.120]
----- The following addresses had permanent fatal errors -----
<ew@d.com>
(reason: 550 Host unknown)
----- Transcript of session follows -----
550 5.1.2 <ew@d.com>... Host unknown (Name server: d.com: host not found)