Am 08.02.2019 um 18:16 schrieb Robert Moskowitz: > submission inet n - n - - smtpd -v > -o syslog_name=postfix/submission -o smtpd_tls_wrappermode=no > -o smtpd_tls_security_level = encrypt -o smtpd_sasl_auth_enable=yes -o The whitespaces are invalid, it must be "-o smtpd_tls_security_level=encrypt" Alexander