Am 15.06.22 um 18:28 schrieb Eugène Adell:
https://datatracker.ietf.org/doc/draft-adell-client-roaming/
(to me) it looks you like a solution for a problem solved specifically for email. It's known as SPF / RFC 7208 there ... Andreas _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop