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Re: Using MUAs to bounce mail (was: Please, don't reply to spam ...)

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On Sun, Jun 29, 2025 at 10:47:43AM +0000, Andy Smith wrote:
> Hi,
> 
> On Sun, Jun 29, 2025 at 11:55:56AM +0200, Ralph Aichinger wrote:
> > I absolutely love bouncing mails in mutt instead of forwarding. I need
> > some mail on the address I use on my mobile: Just bounce it. I only do
> > this to my own mail addresses.
> > 
> > Am I alone in this use case of bounces? Or is this considered an
> > abuse?
> 
> I don't see how sending email to yourself can be considered abusive.
> 
> It's rare I will use this feature any more because modern email sender
> authentication measures are more likely to make the mail fail to arrive.

If your server does those things. Mine doesn't: I trust the users
on it.

[...]

> From: sender@example.com
> To: you@example.edu
> 
> and you bounce that to you@gmail.com, it will arrive at gmail from your
> current IP address and with From: address still listed as
> sender@example.com. Since your current network probably isn't authorised
> to send email for example.com, if example.com uses SPF this will be an
> SPF failure. It will also likely be a DKIM failure due to some added and
> changed headers. If both fail then this will additionally be a DMARC
> failure.

SPF and its ilk are quite another kettle of fish. Since it is the
receiver who decides to act on those policies (or not), this isn't
relevant to the case which started this thread, the spam reporting
interface for the Debian mailing lists, <report-listspam@lists.debian.org>.
I'd expect it to accept such bounces despite SPF failures.

Cheers
-- 
t

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ግěcůžላኣዝዩ mullerrogatien@gmail.com - 2025-06-24 09:40 +0200
  Re: ግěcůžላኣዝዩ 🦓 <czyborra@gmail.com> - 2025-06-24 11:50 +0200
    Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] <tomas@tuxteam.de> - 2025-06-24 12:10 +0200
      Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] Dan Hitt <dan.hitt@gmail.com> - 2025-06-25 01:40 +0200
        Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] Alain D D Williams <addw@phcomp.co.uk> - 2025-06-25 01:50 +0200
        Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] Greg Wooledge <greg@wooledge.org> - 2025-06-25 02:00 +0200
          Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] Dan Hitt <dan.hitt@gmail.com> - 2025-06-25 02:50 +0200
            Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] <tomas@tuxteam.de> - 2025-06-25 08:50 +0200
          Re: Please, don't reply to spam -- much less on list [was:  ግěcůžላኣዝዩ] Greg <curtyshoo@gmail.com> - 2025-06-25 17:20 +0200
            Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] <tomas@tuxteam.de> - 2025-06-25 18:10 +0200
              Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] John Crawley <john@bunsenlabs.org> - 2025-06-27 04:20 +0200
                Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] Greg Wooledge <greg@wooledge.org> - 2025-06-27 05:30 +0200
                Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] Alain D D Williams <addw@phcomp.co.uk> - 2025-06-27 05:50 +0200
                Re: Please, don't reply to spam -- much less on list [was:  ግěcůžላኣዝዩ] Greg <curtyshoo@gmail.com> - 2025-06-27 15:50 +0200
                Re: Please, don't reply to spam -- much less on list Nicolas George <george@nsup.org> - 2025-06-27 16:10 +0200
                Re: Please, don't reply to spam -- much less on list Greg <curtyshoo@gmail.com> - 2025-06-27 16:20 +0200
                Re: Please, don't reply to spam -- much less on list Nicolas George <george@nsup.org> - 2025-06-27 16:50 +0200
                Re: Please, don't reply to spam -- much less on list Charles Curley <charlescurley@charlescurley.com> - 2025-06-27 23:00 +0200
                Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] Greg Wooledge <greg@wooledge.org> - 2025-06-27 16:40 +0200
                Re: Please, don't reply to spam -- much less on list Alain D D Williams <addw@phcomp.co.uk> - 2025-06-27 16:50 +0200
                Re: Please, don't reply to spam -- much less on list [was:  ግěcůžላኣዝዩ] Greg <curtyshoo@gmail.com> - 2025-06-27 16:50 +0200
                Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] Nicolas George <george@nsup.org> - 2025-06-27 17:40 +0200
                Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] Jeffrey Walton <noloader@gmail.com> - 2025-06-27 19:10 +0200
                Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] John Crawley <john@bunsenlabs.org> - 2025-06-28 03:20 +0200
                Re: Please, don't reply to spam -- much less on list Stephan Seitz <stse+debian@rootsland.net> - 2025-06-28 12:10 +0200
                Re: Please, don't reply to spam -- much less on list <tomas@tuxteam.de> - 2025-06-28 13:20 +0200
                Re: Please, don't reply to spam -- much less on list Nicolas George <george@nsup.org> - 2025-06-29 11:20 +0200
                Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] Jeffrey Walton <noloader@gmail.com> - 2025-06-27 06:30 +0200
                Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] Thomas Dineen <tdineen2021@gmail.com> - 2025-06-27 08:50 +0200
                Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] <tomas@tuxteam.de> - 2025-06-27 09:20 +0200
                Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] John Crawley <john@bunsenlabs.org> - 2025-06-27 10:10 +0200
                Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] <tomas@tuxteam.de> - 2025-06-27 10:50 +0200
                Re: Please, don't reply to spam -- much less on list [was: ግěcůžላኣዝዩ] John Crawley <john@bunsenlabs.org> - 2025-06-28 03:10 +0200
                Using MUAs to bounce mail (was: Please, don't reply to spam ...) Ralph Aichinger <ra@h5.or.at> - 2025-06-29 12:30 +0200
                Re: Using MUAs to bounce mail (was: Please, don't reply to spam ...) Andy Smith <andy@strugglers.net> - 2025-06-29 12:50 +0200
                Re: Using MUAs to bounce mail (was: Please, don't reply to spam ...) <tomas@tuxteam.de> - 2025-06-29 14:20 +0200
                Re: Using MUAs to bounce mail (was: Please, don't reply to spam ...) Nicolas George <george@nsup.org> - 2025-06-29 14:20 +0200
    Re: ግěcůžላኣዝዩ Sand <sand@cybert.me> - 2025-06-24 12:10 +0200
      Re: ግěcůžላኣዝዩ 🦓 <czyborra@gmail.com> - 2025-06-24 13:10 +0200
        Spam on this list, top-posting and things. <tomas@tuxteam.de> - 2025-06-24 13:40 +0200
        Re: ግěcůžላኣዝዩ Frank Weißer <linux@weisser-ol.de> - 2025-06-24 13:40 +0200
          Re: ግěcůžላኣዝዩ 🦓 <czyborra@gmail.com> - 2025-06-24 14:10 +0200
            [subject censored] <tomas@tuxteam.de> - 2025-06-24 14:20 +0200

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