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Re: [dmarc-ietf] 5.5.4. Publish a DMARC Policy for the Author Domain - dmarcbis-06

John R Levine <johnl@taugh.com> Tue, 05 April 2022 16:23 UTC

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Date: 5 Apr 2022 12:22:57 -0400
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From: "John R Levine" <johnl@taugh.com>
To: "Alessandro Vesely" <vesely@tana.it>, dmarc@ietf.org
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Subject: Re: [dmarc-ietf] 5.5.4. Publish a DMARC Policy for the Author Domain - dmarcbis-06
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> Scott took the time to define PSDs and PSOs in RFC 9091, restated in Sections 
> 3.2.8 and 3.2.9 of the current draft.  Since the definitions of 
> Organizational Domain (both the current 3.2.7 an my proposed change) require 
> PSD + 1, a PSD has to be a proper subdomain of another PSD in order to admin 
> an Organizational Domain itself.

I don't agree, but whatever.

[ long list of PSDs that send and receive mail ]

> _dmarc.ac.me TXT "v=DMARC1; p=quarantine; adkim=r; aspf=r; fo=0; pct=100; rua=mailto:dmarc@ac.me"
> ac.me mail is handled by 10 mail.ac.me.
> ac.me TXT "v=spf1 mx ip4:89.188.43.10 ip6:2a02:4280:0:200:89:188:43:10 -all"

> All of the above admit no org domain.

If I have a message from bob@ac.me and it has valid SPF of mail.ac.me, is that aligned?  Why or why not?

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly

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