The original message was received at Thu, 21 Feb 2008 16:58:53 -0800
from lb.z57.com [209.75.14.120]
----- The following addresses had permanent fatal errors -----
<chely@marvistaconstruct>
(reason: 550 Host unknown)
----- Transcript of session follows -----
550 5.1.2 <chely@marvistaconstruct>... Host unknown (Name server: marvistaconstruct: host not found)