However, by that definition a domain with a Null MX [RFC7505] is an existent domain for DMARC purposes.
True, but so what? If you want to do a DMARC alignment check, you do it the same way as for any other domain. For the umpteenth time, DMARC is not the magic anti-spam bullet, and you continue to use whatever other filtering methods you use.
Would that add clarity?
No. Let's close #112 and talk about something else. Regards, John Levine, [email protected], Taughannock Networks, Trumansburg NY Please consider the environment before reading this e-mail. https://jl.ly _______________________________________________ dmarc mailing list [email protected] https://www.ietf.org/mailman/listinfo/dmarc
