This would be a major incompatible change to DMARC, so no. R's, John
It appears that Douglas Foster <dougfoster.emailstanda...@gmail.com> said: >-=-=-=-=-=- > >Alternative token design. > > >Boundary=A (Above only) > >Literal: The domain owner asserts that an organizational/administrative >boundary exists between the current domain and its parent, meaning the >domain and its parents are not aligned for relaxed authentication. No >boundary exists immediately below this domain, so its child domains are >aligned with it for relaxed authentication. >Role: An Organizational Domain >PSL Equivalent representation: The domain does not exist in the PSL, or is >listed with negation. The parent domain is listed in the PSL, and without >negation. >Tree walk significance: The tree walk always stops on Boundary=A, as this >domain is the organizational domain and provides the default policy. >PSD=token equivalent: “psd=n” > > >Boundary=N (None, Neither) > >Literal: That domain owner asserts that the domain does not have any >adjacent organizational/administrative boundaries. >Role: An organizational subdomain. >PSL Equivalent representation: : The domain does not exist in the PSL. The >parent domain is also not listed, or listed with negation. >Tree walk significance: The domain owner has indicated awareness of >DMARCbis. The tree walk will end on domain with a DMARC policy and a >“Boundary=A” term. If an explicitly tagged organizational domain policy is >not found, the result is PERMERROR and the evaluator is recommended to fall >back to strict alignment. >PSD=token equivalent: None > > >Boundary=2 (Both above and below) > >Literal: The domain owner asserts that an organizational/administrative >boundary exists both immediately above and immediately below this domain. >Consequently, an exact match is required for alignment. >Role: All Public Suffix Domains and many Private Registry domains. >PSL Equivalent: Both the current domain and its parent are listed in the >PSL, both without negation. >Tree walk significance: The tree walks stops. If this is the exact-match >domain, the organizational domain and default policy are from this record. >If this domain is encountered subsequently during the tree walk, the walk >stops, the current domain policy is the default policy but the immediately >lower child domain is the organizational domain for relaxed alignment. >PSD=token equivalent: Nothing provides a complete equivalence, but PSL=Y is >used as an approximation. > > >Boundary=B (Below only) > >Literal: The domain owner asserts that an organizational/administrative >boundary exist between this domain and its child domains, so its child >domains are not aligned for relaxed authentication. No >organizational/administrative boundary exists above this domain, so this >domain can participate in relaxed alignment with its immediate parent. >Role: A private registry whose parent domain is in the same organization. >PSL Equivalent: The current domain is listed in the “Private Registry” >section of the PSL, without negation. The parent domain is not listed at >all. >Tree walk significance: If encountered on the exact-match domain, the >domain is treated the same as “Boundary=N”, and the tree walk proceeds >upward. If encountered subsequently during the tree walk, the domain is >treated the same as “Boundary=2”: the Tree Walk stops, the current domain >policy becomes the default policy but the immediately lower child domain is >the organizational domain for relaxed alignment. >PSD=token equivalent: : Nothing provides a complete equivalence, but PSL=Y >is used as an approximation. > > >DMARC policy with no Boundary=token term > >Literal: The domain owner has not added new information in support of >DMARCbis to his policy. The presence or absence of >organizational/administrative boundaries must be inferred. >Role: Not stated and therefore not known with certainty. >PSL Equivalent: None. The PSL lookup always returns a result. >Tree Walk significance: Information about this policy is stored, the Tree >Walk continues upward, and an inference is made when the Tree Walk is >complete. >PSD=token equivalent: “psd=u” > > >Domain with no DMARC policy > >Literal: The domain owner has not attached a DMARC policy to the current >domain. >Role: Not stated and therefore not known with certainty. >PSL Equivalent: None. The PSL lookup always returns a result. >Tree Walk significance: Information about this policy is stored, the Tree >Walk continues upward, and an inference is made when the Tree Walk is >complete. >PSD=token equivalent: Not applicable. Since no policy is present, no tokens >are present in that policy. > >-=-=-=-=-=- >[Alternative: text/html] >-=-=-=-=-=- _______________________________________________ dmarc mailing list dmarc@ietf.org https://www.ietf.org/mailman/listinfo/dmarc
