On Sun, Mar 30, 2025 at 4:15 PM Rob Sayre <sayrer@xxxxxxxxx> wrote:
At a protocol level, DKIM operates just fine without knowing anything about SMTP at all.I'm not sure that's realistic, though. Even the new effort has a normative reference to SMTP:
It is 100% true that the implementation of DKIM (RFC 6376) is disjoint from SMTP. You can write a signer or a verifier that works (other than DNS key retrieval) on a disconnected laptop. It only cares about the header and body. It is utterly unrelated to SMTP, as I described before.
I don't think it makes any sense to try to bind anything coming out of EMAILCORE to a protocol that is in its early stages of design, much less development or deployment. It's very likely what the current DKIM working group will produce won't be called that, and may have only historical connections to RFC 6376.
-MSK
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