Just a comment on a narrow point below. On Mon, Nov 14, 2022 at 8:03 AM Alessandro Vesely <ves...@tana.it> wrote:
> > > BTW, we all know that mailing lists send one message at a time, doing VERP > for > each subscriber. They can more easily include the recipient in the ARC > signature. However, any spammer can do the same. > WRT to the ARC like proposed approaches, agreed that the spammer can sign for each recipient as well. However then the spammer has identified themselves in the path, and some future path aware reputation systems will be able to distinguish the spammer from benign forwarding flows. -Wei
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