On Sun, Jan 11, 2026 at 10:56:59AM +0100, Peter N. M. Hansteen via mailop wrote:
> I think this particular situation boils down to this:
>
> when a domain has correctly configured SPF, DKIM, DMARC and you count mail
> claiming to be from that domain that originates in the great elsewhere in
> the evaluation of that domain's reputation,
or rather,
when a domain has correctly configured SPF, DKIM, DMARC *that specifies mail
claiming to be from that domain originating in the great elsewhere should be
discarded*, and you count mail claiming to be from that domain that originates
in the great elsewhere in the evaluation of that domain's reputation,
**YOU'RE DOING IT WRONG**
All the best,
Peter
--
Peter N. M. Hansteen, member of the first RFC 1149 implementation team
https://nxdomain.no/~peter/blogposts https://nostarch.com/book-of-pf-4th-edition
"Remember to set the evil bit on all malicious network traffic"
delilah spamd[29949]: 85.152.224.147: disconnected after 42673 seconds.
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