Re: [dmarc-ietf] Doing a tree walk rather than PSL lookup
Dave Crocker <dcrocker@gmail.com> Tue, 24 November 2020 15:36 UTC
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To: Todd Herr <todd.herr=40valimail.com@dmarc.ietf.org>,
IETF DMARC WG <dmarc@ietf.org>
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From: Dave Crocker <dcrocker@gmail.com>
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Date: Tue, 24 Nov 2020 07:36:40 -0800
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Subject: Re: [dmarc-ietf] Doing a tree walk rather than PSL lookup
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Just to be clear, I'm not challenging the need. Rather I'm just looking for text that explains the need. And I'm not finding it... On 11/24/2020 7:28 AM, Todd Herr wrote: > There are two reasons (at least) for needing the Organizational > Domain, and they are discussed in RFC 7489: > > 1. DMARC also allows for the explicit or implicit expression of > policy for sub-domains at the Organizational Domain level. This > matters for those times when _dmarc.RFC5322.From.domain is > non-existent and RFC5322.From.domain is a sub-domain of the > Organizational Domain. > 2. The default mode for authenticated identifier alignment, relaxed, > requires only that the Organizational Domains for both identifiers > are the same, and so the Organizational Domain must be known in > order for relaxed alignment to be ascertained. > Except that I do not find either of these points provided in the document. > What is perhaps missing from RFC 7489 is the reason that the authors > chose to make these two items part of the specification. That would, of course, also be nice to include. d/ -- Dave Crocker dcrocker@gmail.com 408.329.0791 Volunteer, Silicon Valley Chapter American Red Cross dave.crocker2@redcross.org
- [dmarc-ietf] Doing a tree walk rather than PSL lo… John R Levine
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Jesse Thompson
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Dave Crocker
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Jesse Thompson
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Dave Crocker
- Re: [dmarc-ietf] Doing a tree walk rather than PS… John Levine
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Alessandro Vesely
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Joseph Brennan
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Dave Crocker
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Todd Herr
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Dave Crocker
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Todd Herr
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Dave Crocker
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Murray S. Kucherawy
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Murray S. Kucherawy
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Jesse Thompson
- Re: [dmarc-ietf] Doing a tree walk rather than PS… John Levine
- Re: [dmarc-ietf] Doing a tree walk rather than PS… John Levine
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Dave Crocker
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Alessandro Vesely
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Doug Foster
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Alessandro Vesely
- Re: [dmarc-ietf] Doing a tree walk rather than PS… John R Levine
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Murray S. Kucherawy
- Re: [dmarc-ietf] Doing a tree walk rather than PS… John Levine
- Re: [dmarc-ietf] Doing a tree walk rather than PS… ned+dmarc
- Re: [dmarc-ietf] Doing a tree walk rather than PS… Alessandro Vesely