On Monday, December 20, 2021 12:39:15 PM EST Alessandro Vesely wrote: > On Sun 19/Dec/2021 21:42:16 +0100 Scott Kitterman wrote: > > If the domain owner has suggested that you reject mail from a sub-domain > > that has none of A, AAAA, or MX records, why would you not do that? > Are we sure that's what the domain owner meant to suggest? > > An organization can use sp= on its root domain record, or it can define a > DMARC record at some subdomains. So far so good. > > Then it turns out that one can also define DMARC record at some non-existing > sub domains, possibly as an alternative to using np=... Now this begins to > look puzzling. > > The reason to introduce np= was to select domains that really don't exist. > Why don't we stick to that definition?
What definition are you wondering why we didn't stick to? Scott K _______________________________________________ dmarc mailing list dmarc@ietf.org https://www.ietf.org/mailman/listinfo/dmarc