On 6/24/20 11:52 AM, Dave Crocker wrote: > On 6/24/2020 11:35 AM, Jim Fenton wrote: >> On 6/23/20 9:19 PM, Dave Crocker wrote: >> Please explain why it is important that specifically the Sender: >> header field be used for this. > > From: is demonstrably problematic. Sender: isn't. > > Sender: is a long-standing field, similar to From:, but without it's > history of interesting MUA-level use that DMARC is well-established as > creating problems for. > You have explained why Sender: is better than From: (which I agree with) but not why specifically Sender needs to be used. I see the use of a long-standing header field as being a disadvantage, not an advantage, because of potential obscure uses we don't know about.
-Jim _______________________________________________ dmarc mailing list dmarc@ietf.org https://www.ietf.org/mailman/listinfo/dmarc
