> On Apr 21, 2023, at 2:14 PM, Douglas Foster > <dougfoster.emailstanda...@gmail.com> wrote: > > Can it provide a user-to-domain authentication solution?
Unless I am not following you, DKIM inherently provides "user-to-domain" authentication by hash binding the 5322 From: and To: headers. > That is what mailing lists need and that is what mailbox provider clients > need. These use cases are pretty fundamental to our objective of getting > mail authenticated without causing damage A mailing list is a 1 to Many distribution. Legacy mail integrity lost was a normal practice for a list system, i.e, footers. Well, technically no. For DKIM, if you used the l= content length tag and did not change the subject line, the original signature could survive. GMAIL could easily provide a box for their users that authorized signers and MTAs. Come inbound time, it can check for the authorize the MTA and 3rd party signer. What I am missing, Google boys? <g> — HLS _______________________________________________ dmarc mailing list dmarc@ietf.org https://www.ietf.org/mailman/listinfo/dmarc
