Is it fair to say that AOL/Yahoo/Verizon is the core of the problem for you?
If they would provide a way to register a mailing list and the servers from which it comes, and allow DMARC exceptions for traffic from those registered lists, your situation would be much easier? DF ---------------------------------------- From: "John Levine" <jo...@taugh.com> Sent: 8/2/20 12:58 PM To: dmarc@ietf.org Cc: fost...@bayviewphysicians.com Subject: Re: [dmarc-ietf] non-mailing list use case for differing header domains In article <cec0a539d7f34478930e2e172ace8...@bayviewphysicians.com> you write: >I wonder if this is typical - are mailing list subscribers more likely to be >on DMARC-enforcing domains than the general population? > >Do the mailing list operators have data about what percentage of their >subscribers (or percentage of unique domains) have DMARC policy enforcement in >place? In my experience it completely depends on the list. I have a list of folk dancers with a lot of old AOL and Yahoo addresses with DMARC policies, and I have other lists where it's mostly gmail and Hotmail/Outlook, without. R's, John
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