Hi Norbert, Not adding this mechanism will return a neutral result if nothing matches: https://datatracker.ietf.org/doc/html/rfc7208#section-4.7
-- Cas de Reuver http://reuver.co On Fri, Jan 31, 2025 at 2:29 PM Fehlauer, Norbert via mailop < [email protected]> wrote: > Hi, > > usually there's some kind of "all" mechanism (~all, -all ?all) when using > a SPF record for a domain. Is a SPF record without an "all" mechanism valid > at all (implicit +all) or is this an invalid record in this case? > > https://datatracker.ietf.org/doc/html/rfc7208#section-5.1 is not > mentioning a "must use" or "must exist". > > As a SPF record is processed from left to right, it should not matter for > valid entries that exist in the SPF record, but there's not statement whtat > to do with non matching hosts. > > Anyone can help? > > Thanks > Norbert > _______________________________________________ > mailop mailing list > [email protected] > https://list.mailop.org/listinfo/mailop >
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