bug#45631: 27.1; regression: message-forward-ignored-headers no longer applies when forwarding as MIME

[Lars Ingebrigtsen]

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

> Is the expectation that headers of internal parts of the message are
> being trimmed (in which case, they might be implicated in the signature
> or encryption)?  or, is there some situation i'm missing where they
> might have an impact on the cryptographic structure?

Well, we'd have to include the relevant headers at a minimum:

  Content-Type: multipart/signed; boundary="=-=-=";
        micalg=pgp-sha256; protocol="application/pgp-signature"

But this code is almost a couple of decades old, and I have no idea what
the thought process behind this was at this date.  Anybody know?

-- 
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   bloggy blog: http://lars.ingebrigtsen.no