(2) Tear out everything having to do with making author signatures survive list relaying, dropping all that text altogether, and instead pointing people at S/MIME or PGP (John’s proposal);-1. S/MIME and PGP aren't even vaguely related to DKIM, and we're not in any position to know whether S/MIME or PGP are better. We should just state the facts and leave it that.
I am happy to just state the facts so long as the facts are, approximately, that many MLMs break the signatures on messages they resend, that's not a bug, and it is vanishingly unlikely that will ever change.
The only reason to mention S/MIME and PGP is to point out that there are other crypto standards designed to have more robust signatures, if that's what you want.
R's, John
smime.p7s
Description: S/MIME Cryptographic Signature
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