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:[email protected]";
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 [email protected] and it has valid SPF of mail.ac.me, is that 
aligned?  Why or why not?

Regards,
John Levine, [email protected], Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly

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