On Wed, 13 Mar 2024, Gellner, Oliver via mailop wrote:
Sending MTAs which do not support modern crypto on the other hand are
going to fall back to a unencrypted connection as soon as you disable
older cipher suites. This allows any, even passive MITM to read and/or
modify the messages. A clai
On Tue, 2 Mar 2021, Otto J. Makela via mailop wrote:
On 02/03/2021 18.28, John R Levine via mailop wrote:
On Tue, 2 Mar 2021, Otto J. Makela wrote:
I read this as meaning most implementations will let you only have
two NOERRORs, and then it's game over. As I said, I doubt SPF was
intended to c
