In article <[email protected]> you write: >On Mon 01/Feb/2021 01:10:01 +0100 Scott Kitterman wrote: >> I think that we're well past learning anything new in this thread. >> >> SPF is what it is (RFC 7208). DMARC doesn't need to re-invent the protocol >> (and shouldn't). For any properly implemented SPF verifier, DMARC should be >> able to consume the Mail From result. > >Perhaps Courier-MTA is not so properly implemented, but when mail from is >empty >it just omits the corresponding Received-SPF: header field.
That's a peculiarity of Courier. My MTA adds an SPF clause in the A-R header whether or not there's a null bounce address. >OTOH, properly implemented SPF verifiers could skip producing a Mail From >result if the helo identity was verified successfully. No, they could not. That's not what the SPF spec says. >It makes sense to add a section that modifies RFC 7208. See below. Please, can we stop the Mission Gallop? R's, John _______________________________________________ dmarc mailing list [email protected] https://www.ietf.org/mailman/listinfo/dmarc
