On 25.10.2025 18:10 Uhr monodev wrote: > All mailing lists I've used so far (not that I've used many!) have > had some sort of trouble with email authentication mechanisms such as > DKIM, SPF. For example when I send an email to this list I get 40 > DMARC reports the next day stating that they've received mail from me > but with failed SPF.
If a mailing list doesn't rewrite the MAIL FROM, SPF will fail and bounces (IIRC if subscribers have full inbox, deleted addresses etc.) will go to the original sender of the message. Another reason might be forwarding by subscribers. -- kind regards Marco Send spam to [email protected]
