> On Mar 14, 2018, at 11:06 AM, Matus UHLAR - fantomas <uh...@fantomas.sk> > wrote: > > 1. there's no need to configure the same option in master.cf than in the > main.cf, it's required when you want to change them. > > 2. submission and smtps SHOULD have "-o smtpd_tls_security_level = encrypt", > clients should be required to both authentize and encrypt.
Just should point that SPACEs around the "=" sign in master.cf option overrides don't do what you might naively expect. The correct syntax is: -o smtpd_tls_security_level=encrypt without SPACE characters around "=". -- Viktor.