Suppose a FROM address domain has the lower-bound of 5 segments, and that a verified DKIM signature exists using a child domain somewhere below that, perhaps with 7 segments.
Are the names automatically considered to be aligned, without a tree walk, because a private registry boundary will not occur below level 5? Or should a scope-limited tree walk be performed between the child domain and the FROM domain to be sure that no boundary exists? Doug On Mon, Mar 21, 2022 at 4:50 PM <[email protected]> wrote: > > A New Internet-Draft is available from the on-line Internet-Drafts > directories. > This draft is a work item of the Domain-based Message Authentication, > Reporting & Conformance WG of the IETF. > > Title : Domain-based Message Authentication, Reporting, > and Conformance (DMARC) > Authors : Todd M. Herr > John Levine > Filename : draft-ietf-dmarc-dmarcbis-06.txt > Pages : 62 > Date : 2022-03-21 > > Abstract: > This document describes the Domain-based Message Authentication, > Reporting, and Conformance (DMARC) protocol. > > DMARC permits the owner of an email author's domain name to enable > verification of the domain's use, to indicate the Domain Owner's or > Public Suffix Operator's message handling preference regarding failed > verification, and to request reports about use of the domain name. > Mail receiving organizations can use this information when evaluating > handling choices for incoming mail. > > This document obsoletes RFC 7489. > > > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-dmarc-dmarcbis/ > > There is also an HTML version available at: > https://www.ietf.org/archive/id/draft-ietf-dmarc-dmarcbis-06.html > > A diff from the previous version is available at: > https://www.ietf.org/rfcdiff?url2=draft-ietf-dmarc-dmarcbis-06 > > > Internet-Drafts are also available by rsync at rsync.ietf.org: > :internet-drafts > > > _______________________________________________ > dmarc mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/dmarc >
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