Returned mail: see transcript for details

[Mail Delivery Subsystem]

The original message was received at Sat, 6 Sep 2003 00:15:43 -0700 (PDT)
from adsl-67-121-155-249.dsl.pltn13.pacbell.net [67.121.155.249]

   ----- The following addresses had permanent fatal errors -----
<webmaster at mature-post.com>
    (reason: 553 <webmaster at mature-post.com>... User unknown)

   ----- Transcript of session follows -----
... while talking to mail1.hosting.flyingcroc.net.:
>>> RCPT To:<webmaster at mature-post.com>
<<< 553 <webmaster at mature-post.com>... User unknown
550 5.1.1 <webmaster at mature-post.com>... User unknown
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From: <linux-users at linux-sxs.org>
Subject: Re: Thank you!
Date: Sat, 6 Sep 2003 0:15:48 --0700
Size: 976
Url: http://mail.linux-sxs.org/pipermail/linux-users/attachments/20030906/96dc73e2/attachment.mht