[CentOS] Forcing TLS for SMTP?

Kai Bojens

kb at artfiles.de
Thu Dec 5 08:34:48 UTC 2019

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.

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