Am 08.01.19 um 23:02 schrieb Grant Taylor:
> I'm not aware of anything else that provides the signal that MTA-STS provides.

Oh, it's DANE, as I understand it. 
A DANE aware sender will not transmit a message if validation for a DANE aware 
recipient domain fail.

And there are already some (unintended) proofs that DANE work.
Mostly because the recipient did not properly handled a MX certificate rollover.

Andreas

_______________________________________________
Uta mailing list
[email protected]
https://www.ietf.org/mailman/listinfo/uta

Reply via email to