[CentOS] Forcing TLS for SMTP?

Thu Dec 5 08:34:48 UTC 2019
Kai Bojens <kb at artfiles.de>

Am 05.12.19 um 00:14 schrieb Lists:
> s there a useful defense against STARTTLS being stripped from unencrypted 
> communications? 

MTA-STS and DANE exist but their real world usage is quite low and you
may run into problems if you want to enforce these solutions. You could
give it a try but don't expect too much.