On Fri 01/03/2024 at 11:16, Andy Smith <a...@strugglers.net> wrote: > Hi, > > On Fri, Mar 01, 2024 at 11:00:13AM +0000, Gareth Evans wrote: >> "Don’t impersonate Gmail From: headers. Gmail will begin using a DMARC >> quarantine enforcement policy, and impersonating Gmail From: headers might >> impact your email delivery." > > Talks about gmail's own use of DMARC, not the sender's.
That makes perfect sense :) >> Can a "DMARC quarantine enforcement policy" operate, if the sender >> doesn't use DMARC? This idea seems to relate more to SPF than >> anything? > > gmail's own policy is quarantine so if you send from somewhere that > isn't gmail, while pretending to be from a gmail property, gmail > indicates that it wishes¹ for your email to be quarantined by the > recipient. So does that. > Thanks,. > Andy > > ¹ Even receiving sites that process DMARC sometimes don't carry out > the DMARC author's wishes. As a common example that most of us > will have seen, Mailman mailing lists will often just selectively > rewrite the headers. Yes. Thanks very much. G > > -- > https://bitfolk.com/ -- No-nonsense VPS hosting
