Hello Norbert, As for the failures, I don't manage selectors with an underscore, so I can't say, but here is an update to 6376 wich specifically talk about underscores : https://datatracker.ietf.org/doc/html/rfc8553 I hope that helps.
[image: Alexandre Schmit-Baverel] *Alexandre Schmit-Baverel* Responsable Délivrabilité .. [image: linkedin] <https://sign.sarbacane.com/l/alhTNWt1WDVRTktGQlB1clNJL0JGUT09-eFZMaExNZWZGQjMvaVVJaDArTTl6Zz09> [image: instagram] <https://sign.sarbacane.com/l/alhTNWt1WDVRTktGQlB1clNJL0JGUT09-MVc4eTk5YXpOcDFSNDR3dDdleFhiQT09> [image: tiktok] <https://sign.sarbacane.com/l/alhTNWt1WDVRTktGQlB1clNJL0JGUT09-cDlZVm4yZHBQMTIzVXVxNk9tS05GQT09> [image: youtube] <https://sign.sarbacane.com/l/alhTNWt1WDVRTktGQlB1clNJL0JGUT09-VHU5ZDFDM3h6QXJ6Qm9jSUVjb2Ftdz09> [image: facebook] <https://sign.sarbacane.com/l/alhTNWt1WDVRTktGQlB1clNJL0JGUT09-bDh2a2xCS2VaVHRuaUQzenVMaFphUT09> [image: twitter] <https://sign.sarbacane.com/l/alhTNWt1WDVRTktGQlB1clNJL0JGUT09-VjFWNTBIYlNCUDdIbXlxKzJyRzFPUT09> [image: Campagne Forms v2] <https://sign.sarbacane.com/l/alhTNWt1WDVRTktGQlB1clNJL0JGUT09-a1RCUlYzaUFUM1hkQTZoV29vMXBjUT09-cGJFYXA3aW16eFRJVEEwMmVzY1NKUT09> Le mer. 6 nov. 2024 à 12:52, 'Fehlauer, Norbert via mailop' via Sarbacane - Délivrabilité <delivrabil...@sarbacane.com> a écrit : > Hi, > > I know that an underscore in DKIM selectornames usually trigger a DKIM > neutral error. I guess somewhere in the RFC it is stated if an underscore > is allowed or accepted. Can someone please point out the correct RFC to me? > > Does anyone use such a "failure" to score mails? I guess it's probably > more none-aware admins as real spammers, but I do not have any numbers so > far. > > Thanks > Norbert > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://list.mailop.org/listinfo/mailop > >
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