postconf -e smtpd_tls_session_cache_database="sdbm:/var/lib/postfix/smtpd_scache"
postconf -e smtpd_tls_session_cache_timeout="3600s"
postconf -e tls_random_source="dev:/dev/urandom"
postconf -e smtpd_tls_session_cache_database="sdbm:/var/lib/postfix/smtpd_scache"
postconf -e smtpd_tls_session_cache_timeout="3600s"
postconf -e tls_random_source="dev:/dev/urandom"