On Fri, Jun 21, 2024 at 10:06 AM Alessandro Vesely <ves...@tana.it> wrote:
> 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".
>
I'm not sure that I agree with your assertion here. I'd be more inclined to
think you correct if the text in 7489 didn't explicitly reference RFCs 6651
and 6652:
d: Generate a DKIM failure report if the message had a signature
that failed evaluation, regardless of its alignment. DKIM-
specific reporting is described in [AFRF-DKIM
<https://datatracker.ietf.org/doc/html/rfc7489#ref-AFRF-DKIM>].
s: Generate an SPF failure report if the message failed SPF
evaluation, regardless of its alignment. SPF-specific
reporting is described in [AFRF-SPF
<https://datatracker.ietf.org/doc/html/rfc7489#ref-AFRF-SPF>].
If it was an error on the part of the authors of 7489 to describe 'd' and
's' in this way, it's on a scale that's much larger than just a typo.
> 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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--
Todd Herr | Technical Director, Standards & Ecosystem
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