Re: [cobalt-users] sendmail 451 error

["E.B. Dreger" <eddy+public+spam@xxxxxxxxxxxxxxxxx>]

> Date: Thu, 24 Jan 2002 17:32:21 +0100
> From: Tikklik Internetdiensten <info@xxxxxxxxxx>

> Jan 24 12:48:37 ns1 sendmail[27031]: g0OBmbV27031: ruleset=check_mail,
> arg1=<bgsal143@xxxxxxxxxxxx>, relay=saf2.tzo.com [209.213.79.140],
> reject=451 4.1.8 <bgsal143@xxxxxxxxxxxx>... Domain of sender address
> bgsal143@xxxxxxxxxxxx does not resolve

As the error says, the domain (4-vendor.com) does not resolve.
However, 4xx errors are _temporary_, unlike 5xx which are
permanent.  The sender is being told "try back later, when your
DNS hopefully is working".


Eddy

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Brotsman & Dreger, Inc. - EverQuick Internet Division
Phone: +1 (316) 794-8922 Wichita/(Inter)national
Phone: +1 (785) 865-5885 Lawrence
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Date: Mon, 21 May 2001 11:23:58 +0000 (GMT)
From: A Trap <blacklist@xxxxxxxxx>
To: blacklist@xxxxxxxxx
Subject: Please ignore this portion of my mail signature.

These last few lines are a trap for address-harvesting spambots.  Do NOT
send mail to <blacklist@xxxxxxxxx>, or you are likely to be blocked.