On Thu 20/Jun/2024 18:24:30 +0200 Todd Herr wrote:
Second question...

Both RFC 7489 and DMARCbis describe the 'd' and 's' values as requesting the generation of a DKIM failure report (RFC 6651) or SPF failure report (RFC 6652). Is that what we want, or should it be a report in the format defined in draft-ietf-dmarc-failure-reporting?


I think RFC 7489's usage of the terms DKIM and SPF in that context is a typo. It meant to say, e.g., "Generate a DMARK failure report with DKIM characteristics if..." rather than "Generate a DKIM failure report if...". In fact, Section 7.3.1 extends AFRF in two flavors, dkim and spf. They both have type "dmarc".

The last paragraph in that section explicitly says:


   3.  Authentication Failure Type "dmarc" is defined, which is to be
       used when a failure report is generated because some or all of
       the authentication mechanisms failed to produce aligned
       identifiers.  [...]
                  https://datatracker.ietf.org/doc/html/rfc7489#section-7.3.1

That seems to say that fo= is meant to identify under what conditions a "dmarc" failure report is generated, not what Type of failure report is generated.

Best
Ale
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