In article <cabugu1prndjkp_-2yv7nbnbvh340d75ppxkmedthed8qg+0...@mail.gmail.com> you write: >> I have a slight preference for the first option. HELO is too arbitrary in >> the protocol for me to put much value in using it in any of these systems. > >There's a bit of an implementation detail though. If one is relying on an >encapsulated ck_host() function then you may not know whether it checked >the HELO or the MAIL FROM. Imposing a requirement like this from DMARC >seems like it verges on a layering violation.
You should be able to look at the bounce address and if it's null, skip the SPF check. No need to peek inside SPF for that. R's, John _______________________________________________ dmarc mailing list [email protected] https://www.ietf.org/mailman/listinfo/dmarc
