On Wed 30/Dec/2020 02:30:40 +0100 Douglas Foster wrote:
DKIM, A-R, and ARC should all have a mandatory attribute indicating the HELO name of the server applying the header, the IP Address of the previous server which supplied the information being evaluated, or both.
For DKIM, the HELO name is irrelevant. d= determines who did the deed. A-R and ARC have an authserv-id which is often consistent with HELO. Best Ale -- _______________________________________________ dmarc mailing list [email protected] https://www.ietf.org/mailman/listinfo/dmarc
