[Mailman-Users] ARC, was non-subscribers getting through--email address in "Real Name"

Joseph Brennan brennan at columbia.edu
Mon Jul 23 09:45:23 EDT 2018

On Sun, Jul 22, 2018 at 3:18 PM Grant Taylor via Mailman-Users <
mailman-users at python.org> wrote:

> On 07/21/2018 02:24 PM, John Levine wrote:
> > I know people working on whiteish lists to use with ARC, to say that
> > these domain are known to host real mailing lists so you should believe
> > their ARC assertions.

Why not just have that list, and a X-Trust-Me: YES header? It would be much
simpler to implement than ARC.

Joseph Brennan
Columbia University I T

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