Mike, > On Mar 1, 2017, at 10:55 AM, Michael StJohns <mstjohns@xxxxxxxxxxx> wrote: > >> >> Hence mailing list systems that enforce DMARC, or request DMARC >> processing, are fundamentally incompatible with mailing lists as >> defined by section 3.10.2 of RFC 2821. >> >> If you want to participate in such mailing list, one of the best ways >> is to change to a mailing list system that doesn't do DMARC. >> >> Best regards, >> >> - Ted >> > > Thanks for the clear description of the problem - I admit that I got a similar one from folks at the Seoul IETF. > > In the short term, one thing I think would be helpful is to identify for the IETF participants which email providers are known to use DMARC and maybe also a list of providers that are known not to. Maybe add it to the IETF mailing list page at https://www.ietf.org/list/ with an explanation of what's been happening. > This is a good idea. Taking it a step further, perhaps a warning could be included when subscribing to an IETF list from an email provider who is known to use DMARC. Bob
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