Dnia 21.12.2025 o godz. 10:57:30 Atro Tossavainen via Postfix-users pisze: > > > I also disagree with your premise that adding an extra signature does > > anything helpful. Email should only have one from header and alignment > > will only match up to the one domain in that from header. All > > additional signatures will be ignored in DMARC validation. > > In DMARC validation, yes, but if a receiving platform decides on > lesser grounds whether to allow incoming messages, such as based on > the message having any valid DKIM signatures at all (which I don't > know if they do, but which is certainly a possibility; I read the > Yahoo bulk sender guidelines in a way that confirms my hypothesis, > to me, at least), then if you have two that are valid, you can afford > to mess up one and still be within the guidelines.
Definitely, DKIM can be and is also used "standalone", not only in connection to DMARC validation. I think that the assumption that DKIM is used only in context of DMARC is a huge misunderstanding. -- Regards, Jaroslaw Rafa [email protected] -- "In a million years, when kids go to school, they're gonna know: once there was a Hushpuppy, and she lived with her daddy in the Bathtub." _______________________________________________ Postfix-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
