Fine with me, just wanted to ask the question.

-MSK, hatless

On Mon, Aug 7, 2023 at 1:48 PM Barry Leiba <barryle...@computer.org> wrote:

> Indeed.  We can do what we've done in other cases: create a registry
> if/when we add something else later.
>
> Barry
>
> On Mon, Aug 7, 2023 at 4:11 PM Scott Kitterman <skl...@kitterman.com>
> wrote:
> >
> >
> >
> > On August 7, 2023 7:47:03 PM UTC, "Murray S. Kucherawy" <
> superu...@gmail.com> wrote:
> > >On Sat, Aug 5, 2023 at 1:09 PM Tim Wicinski <tjw.i...@gmail.com> wrote:
> > >
> > >> Based on the ABNF in -28, how about something like this:
> > >>
> > >>
> > >> dmarc-method = "dkim" / "spf"
> > >>
> > >> dmarc-auth = "auth" equals dmarc-method *(*WSP "," *WSP dmarc-method)
> > >>
> > >>
> > >> I think this "should"(*)  allow for all permutations but also
> simplifies
> > >> it, and I agree with Barry it should be simpler.
> > >>
> > >
> > >This looks good to me, except to be consistent with DKIM (from which
> this
> > >general syntax was borrowed) I'd suggest:
> > >
> > >* using colon as the separator rather than comma
> > >* WSP and CFWS should follow whatever we did for other tags
> > >* don't allow an empty list; I can't think of any DKIM or DMARC tag that
> > >accepts a list and also allows an empty value
> > >
> > >If we think we might add "arc" or something else in the future, do we
> need
> > >a registry of supported methods?  If not, we'll have to rev DMARC every
> > >time a new one comes into favor.
> >
> > I think we don't need a registry.  Rationale:
> >
> > 1.  There is no additional method that's being contemplated (whatever
> ARC is, it's not a first class alternative to SPF or DKIM).
> >
> > 2.  Currently, we have text in the specification to describe how to use
> the output of SPF and DKIM for DMARC.  I don't think there's much prospect
> any new method wouldn't need something similar.
> >
> > I think a registry would only complicate things and wouldn't actually be
> helpful.
> >
> > Scott K
> >
> > _______________________________________________
> > dmarc mailing list
> > dmarc@ietf.org
> > https://www.ietf.org/mailman/listinfo/dmarc
>
> _______________________________________________
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>
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