On Sat 20/Jun/2020 02:52:55 +0200 John Levine wrote: > On Fri, 19 Jun 2020, Murray S. Kucherawy wrote: > >> A number of drafts were floated, as I recall. I had a couple. > > There's always my conditional signing hack, in which one puts a very > weak signature on the message which says it only counts if it's > resigned by X, where X is the expected mediator.
Conditional signatures should be paired with a mechanism that tells the author's MTA when to apply them. For example, a water tight opt-in protocol whereby author, MLM, and author's MTA can do a three-hand handshake. Without that, we're back to depending on reputation, for which simple whitelisting suffices. Best Ale -- _______________________________________________ dmarc mailing list [email protected] https://www.ietf.org/mailman/listinfo/dmarc
