##### TLS settings ######
tls_ssl_options = NO_COMPRESSION
tls_high_cipherlist=EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:+CAMELLIA256:+AES256:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!ECDSA:CAMELLIA256-SHA:AES256-SHA:CAMELLIA128-SHA:AES128-SHA
tls_random_source = dev:/dev/urandom
### outgoing connections ###
#smtp_tls_security_level=encrypt
smtp_tls_security_level=may
smtp_tls_loglevel = 1
smtp_tls_cert_file=/etc/postfix/cert.pem
smtp_tls_key_file=/etc/postfix/key.pem
smtp_tls_mandatory_protocols = !SSLv2, !SSLv3
smtp_tls_mandatory_ciphers=high
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
### incoming connections ###
#smtpd_tls_security_level=encrypt
smtpd_tls_security_level=may
smtpd_tls_received_header = yes
smtpd_tls_loglevel = 1
smtpd_tls_cert_file=/etc/postfix/cert.pem
smtpd_tls_key_file=/etc/postfix/key.pem
smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3
smtpd_tls_mandatory_ciphers=high
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache