We have had a lot of attempts at third-party authorization schemes
....
With this in mind, I cannot see any point in designing yet another vouching or authorization scheme unless we have evidence that an interesting fraction of the world's mail systems want to use it. I don't see that, and honestly see no chance that we ever will.
+1 d/ -- Dave Crocker Brandenburg InternetWorking bbiw.net _______________________________________________ dmarc mailing list dmarc@ietf.org https://www.ietf.org/mailman/listinfo/dmarc