Dexter via mailop skrev den 2026-09-20 14:34:
Interested in how people here handle it in practice.
Authentication-Results mx.junc.eu (amavis); dkim=fail (2048-bit key)
reason="fail (message has been altered)" header.d=ilands.app
header.b="ztDHxKwH"; dkim=fail (1024-bit key) reason="fail (message has
been altered)" header.d=amazonses.com header.b="XVpJiiLx"
what should dkim, dmarc, spf do here ?
even if policy is none at dmarc, dkim can still reject, even worse spf
might fail maserable :=)
many says dkim2 is the solution on breaking dkim
but what will it helps on untrusted dkim signers ?
PS: if maillists start reject dmarc policy reject, then there is only
host that reject dkim fails, but it will never happend, world is always
stupid
untested: what if dkim signers using test mode, to support not reject on
test signers, then dmarc could accept policy ?
what are the rfc says ?
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