Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: om@iki.fi (Otto J. Makela)
Newsgroups: comp.mail.sendmail
Subject: Re: manually bounce a queued message
Date: Fri, 28 Mar 2025 15:01:10 +0200
Organization: Games and Theory
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Claus Aßmann wrote:

> You could also try to "route" the domain to an error,
> see cf/README: mailertable.

Been there, done that.

A local computer magazine (MBnet) with a quite popular free email system
dropped all email services (and the MX records), but kept their website
(which now just redirects to their current magazine name Mikrobitti).

All mail queued to them would stay in queue for five days waiting to
be delivered (to their web server), and only then bounce. I included
an entry for their domain into the mailertable with error:nouser 550
so attempts at sending email get bounced immediately.

-- 
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