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From: Claus =?iso-8859-1?Q?A=DFmann?= <INVALID_NO_CC_REMOVE_IF_YOU_DO_NOT_POST_ml+sendmail(-no-copies-please)@esmtp.org>
Newsgroups: comp.mail.sendmail
Subject: Re: manually bounce a queued message
Date: Fri, 28 Mar 2025 02:08:55 -0400 (EDT)
Organization: MGT Consulting
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Marco Moock  wrote:

> Is there a way to manually bounce a message that stucks in queue due to
> unreachable MX host (that won't come back, as domain is parked)?

Yes.


sendmail -O Timeout.queuereturn=1s -qR$DOMAIN

or something like that.

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