- smtpd_tls_mandatory_ciphers = medium, high
- smtpd_tls_exclude_ciphers = aNULL
- smtpd_tls_mandatory_exclude_ciphers = aNULL
- smtpd_tls_mandatory_ciphers = medium, high
- smtpd_tls_exclude_ciphers = aNULL
- smtpd_tls_mandatory_exclude_ciphers = aNULL