Sorry, I should have made it clear that my suggestion was in the context of the tree-walk proposal. Douglas Foster had pointed out that tree-walking by itself doesn't eliminate the need for the PSL, because the relaxed alignment rules still require you to know the organizational domain. I believe my suggestion solves that problem, without requiring any new DNS records.
Regards, Joe H On Thu, Oct 28, 2021 at 1:11 PM John Levine <[email protected]> wrote: > It appears that Joe Humphreys <[email protected]> said: > > > >Why not allow the DMARC record to specify what domain root the identifier > >must align with? Instead of adkim=r meaning "consult the PSL list", use > >adkim=example.com to mean "use relaxed alignment, and the organizational > >domain is example.com". > > Because first you have to figure out where to look for the DMARC record. > > If you have domains aa.bb.cc.de.us, or ee.ff.gg.hi.us, where do you > look for the org records if the domain itself doesn't have a DMARC > record? The PSL tells us that they're _dmarc..bb.cc.de.us and > _dmarc.gg.hi.us. > > R's, > John >
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