GNU bug report logs - #58472
[PATCH] Make `message-unique-id' less prone to collisions

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Stefan Kangas <stefankangas <at> gmail.com>
Cc: matt <at> rfc20.org, Eli Zaretskii <eliz <at> gnu.org>, Paul Eggert <eggert <at> cs.ucla.edu>, 58472 <at> debbugs.gnu.org
Subject: bug#58472: [PATCH] Make `message-unique-id' less prone to collisions
Date: Mon, 17 Oct 2022 13:22:17 +0200

Stefan Kangas <stefankangas <at> gmail.com> writes:

> It still has the privacy issues I've indicated.  Leaking the euid for no
> good reason leaves you vulnerable to fingerprinting (or even attack, in
> the worst case scenario).

I don't think the privacy issues here are compelling.  And it's not for
"no good reason", as previously explained:

> I also don't think the kind of processing you propose on the Message-ID
> is useful, as most people end up with euid 1000 these days.  You have
> other headers that are more suitable for that.

No, matching on References/In-reply-to is the only way to get at that
functionality.

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