On Wed, Jul 28, 2021 at 09:21:22PM -0400, Viktor Dukhovni <postfix-us...@dukhovni.org> wrote:
> On Thu, Jul 29, 2021 at 10:26:09AM +1000, raf wrote: > > > The only alternative would be to close port 25, use port 465 > > (TLS-only) instead, > > This profoundly confuses the SMTP (relay) protocol with the > SUBMIT protocol. MTAs won't EVER send on port 465 or 587. > > -- > Viktor. Yes. That's why I said "But that's not going to happen". And similarly, port 25 will never be TLS-only. STARTTLS isn't going away. cheers, raf
