On Mon, Jul 31, 2023 at 4:27 AM Douglas Foster < [email protected]> wrote:
> Murray has said that we cannot impose obligations on mailing lists, > because he does not perceive them as DMARC participants. > I don't recall saying that. My perspective is that the "lists are misbehaving" assertion has no basis, and that the idea of demanding all lists the world over start munging From fields (or whatever mutation we claim is now mandatory) will not happen in short order no matter how much we wish it would. > But to my mind, "Trusted Attestation" means that the mailing list SHOULD > provide an ARC Set and MUST do so if it wants the benefit of this paragraph. > As I mentioned on Friday at 117, ARC is a four year old experiment now. I suggest that we need to resolve whether ARC is mature enough and provide enough valuable signal to start using as a building block, or concede that it's not giving us what we need and leave it behind. -MSK, participating
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