On Wed, Oct 02, 2013 at 09:51:52PM -0400, micah wrote: > > What would be the point? You accept plaintext mail, but reject > > mail encrypted with algorithms vulnerable to a costly, but not > > infeasible brute-force effort? > > No, both plaintext and bad crypto would either be soft rejected with > message to give a delay annoyance.
You'd reject more than half of your input stream. TLS clients are last I checked in the minority by message volume. This is completely impractical. -- Viktor.