On Sat 24/Jan/2026 16:09:04 +0100 Al Iverson wrote:
Well, that would help, maybe unless they think of some other annoying
way to obscure.
The only problem is, that their hostnames are somewhat random and
unguessable.
They all end in *.outlook.com.
Alternatively, use DNSWL.org. Don't know Exim; Courier can add headers like so:
Authentication-Results: wmail.tana.it;
dnswl=pass dns.zone=list.dnswl.org
policy.ip=127.0.3.0
policy.txt="outlook.com https://dnswl.org/s/?s=1357"
That makes SPF work as intended.
Best
Ale
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