Dnia 5.03.2023 o godz. 04:50:34 Benny Pedersen via mailop pisze: > Jaroslaw Rafa via mailop skrev den 2023-03-04 20:00: > >Dnia 3.03.2023 o godz. 22:21:28 John Levine via mailop pisze: > >Why isn't it just "v=spf1 -all" then? That's the most common way of > >indicating that a domain should never send mail... > > it would be more weak then rfc 7505 anyway, since not all mta checks > and enforce spf in mta stage
I think checking for null MX when *receiving* mail is even less common than checking for SPF, because why would you look up MX for *sender* domain in the first place? It's obvious to check MX for *recipient* domain, but not for sender... -- Regards, Jaroslaw Rafa r...@rafa.eu.org -- "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." _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop