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From: Robert Pluim <rpluim@gmail.com>
To: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
Cc: Lars Ingebrigtsen <larsi@gnus.org>, 45631@debbugs.gnu.org
Subject: bug#45631: 27.1; regression: message-forward-ignored-headers no longer applies when forwarding as MIME
Date: Wed, 13 Jan 2021 10:25:51 +0100	[thread overview]
Message-ID: <87ft35qjc0.fsf@gmail.com> (raw)
In-Reply-To: <87ft36jj83.fsf@fifthhorseman.net> (Daniel Kahn Gillmor's message of "Tue, 12 Jan 2021 09:57:48 -0500")

Daniel Kahn Gillmor <dkg@fifthhorseman.net> writes:

> generally, DKIM signatures are *more* likely to break if headers are
> stripped than PGP/MIME or S/MIME, as DKIM is capable of covering headers
> directly.  Even given that concern, i think the most we'd want the
> "best" setting to do to constrain header stripping would be to compare
> the stripped version of the file to the non-stripped version -- if the
> non-stripped version passes DKIM validation, but the stripped does not,
> then either produce a warning message about DKIM signature breakage or
> (if in an interactive mode) prompt the user about whether they want to
> apply the filter or not.

Adding unconditional checking of DKIM signatures to Emacs when
forwarding a message is a no-no. Think of people who work on email
when offline, or people who donʼt want to advertise the fact that
they've received email from a particular domain.

Robert





  reply	other threads:[~2021-01-13  9:25 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-03 17:12 bug#45631: 27.1; regression: message-forward-ignored-headers no longer applies when forwarding as MIME Daniel Kahn Gillmor
2021-01-05 13:06 ` Robert Pluim
2021-01-05 23:25   ` Daniel Kahn Gillmor
2021-01-06 10:31     ` Robert Pluim
2021-01-10 15:18       ` Lars Ingebrigtsen
2021-01-10 17:25         ` Eli Zaretskii
2021-01-11 15:04           ` Lars Ingebrigtsen
2021-01-10 21:41         ` Daniel Kahn Gillmor
2021-01-11 15:09           ` Lars Ingebrigtsen
2021-01-12 14:57             ` Daniel Kahn Gillmor
2021-01-13  9:25               ` Robert Pluim [this message]
2021-01-13 17:35                 ` Daniel Kahn Gillmor
2021-01-18 15:50               ` Lars Ingebrigtsen
2021-01-18 17:43                 ` Daniel Kahn Gillmor
2021-01-19  3:12                   ` Lars Ingebrigtsen
2021-01-19 16:19                     ` Daniel Kahn Gillmor
2021-01-20 16:17                       ` Lars Ingebrigtsen
2021-01-20 19:31                         ` Daniel Kahn Gillmor
2021-01-21 15:46                           ` Lars Ingebrigtsen

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