On Friday, January 21, 2022 9:28:07 AM EST John R Levine wrote: > >> For the same reason the PSL has a lot of two- and three-label domains. > > > > Except that the PSL is somehow vetted; that is, there are no > > self-appointed > > PSDs. > > Sorry, but that is simply false. The entire "private domains" part of the > PSD is self-appointed PSDs. > > >> No, the org domain for c.example.com is example.com, while > >> the org domain for a.b.example.com is b.example.com. > > > > If we specify it that way, we need to warn users about the effects that > > publishing a DMARC record involves. Users of b.example.com need to know > > that they cannot override the DMARC policy of their org domain unless > > they want to become the org domain of the whole subtree. > > Yes, that is the plan. Please go back and look at the discussion when we > talked about the tree walk in the first place. > > > That is, doing their own DKIM. > > Sorry, that makes no sense. Everyone always does their own DKIM. > > >> In your model, when doing a tree walk from a.b.example.com, how do you > >> know not to stop at b.example.com? Do you always do five levels and use > >> the one highest up the tree or what? > > > > Personally, I'd consult the PSL if I find no role= tag. > > Um, the whole point of the tree walk is so we do not use the PSL, which > has all sorts of well known problems we've already discussed at length.
Yes. Please. We've already been through all this, let's not do it again. Scott K _______________________________________________ dmarc mailing list dmarc@ietf.org https://www.ietf.org/mailman/listinfo/dmarc