>Doesn’t this come back to the whitelist idea? For the green bar SSL certs >(Extended >Validation), the certs have a bunch of information encoded in it, and the >browsers have a >list of CA’s that they trust. AFAIK, the only way to do that for email is >through DKIM but >you wouldn’t highlight all DKIM-signed email, only DKIM-signed email that you >trust which >is compared against a whitelist.
Yes, definitely. See RFC 5518 for one approach. R's, John _______________________________________________ dmarc-discuss mailing list dmarc-discuss@dmarc.org http://www.dmarc.org/mailman/listinfo/dmarc-discuss NOTE: Participating in this list means you agree to the DMARC Note Well terms (http://www.dmarc.org/note_well.html)