Re: [dmarc-ietf] DMARC result for DKIM testing and policy

John Levine <johnl@taugh.com> Thu, 21 March 2024 18:39 UTC

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From: John Levine <johnl@taugh.com>
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Subject: Re: [dmarc-ietf] DMARC result for DKIM testing and policy
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It appears that Todd Herr  <todd.herr@valimail.com> said:
>   2. That part of 6376 might be better written as "Should the signature
>   fail to verify, verifiers MUST NOT treat messages from Signers in testing
>   mode differently from unsigned email." as I see no reason to penalize a
>   Domain Owner who successfully DKIM signs messages, even in testing mode.
>   But I could very well be in the weeds here...

But 6376 already says in section 6.1.:

   Therefore, a Verifier SHOULD NOT treat a message that has one or more
   bad signatures and no good signatures differently from a message with
   no signature at all.

Once again I do not think we have anything to say here, so we should not say it.

R's,
John