On Sun, Mar 21, 2021 at 10:21:54AM -0400, Wietse Venema wrote:
> > When using Postfix "smtpd_tls_security_level = encrypt" in main.cf
> > is it possible to make an exception for an incoming mail server
> > connection that does not support encryption?
>
> Use "smtpd_tls_security_level = may" and u
Henry Liu:
> When using Postfix "smtpd_tls_security_level = encrypt" in main.cf
> is it possible to make an exception for an incoming mail server
> connection that does not support encryption?
Use "smtpd_tls_security_level = may" and use reject_plaintext_session
in smtpd_sender_restrictions.
/etc
