diff --git a/postfix/files/master.cf b/postfix/files/master.cf
index 47c7a11..bebcc01 100644
--- a/postfix/files/master.cf
+++ b/postfix/files/master.cf
@@ -14,10 +14,10 @@ smtp      inet  n       -       -       -       -       smtpd
 #smtpd     pass  -       -       -       -       -       smtpd
 #dnsblog   unix  -       -       -       -       0       dnsblog
 #tlsproxy  unix  -       -       -       -       0       tlsproxy
-#submission inet n       -       -       -       -       smtpd
+submission inet n       -       -       -       -       smtpd
 #  -o syslog_name=postfix/submission
-#  -o smtpd_tls_security_level=encrypt
-#  -o smtpd_sasl_auth_enable=yes
+  -o smtpd_tls_security_level=encrypt
+  -o smtpd_sasl_auth_enable=yes
 #  -o smtpd_reject_unlisted_recipient=no
 #  -o smtpd_client_restrictions=$mua_client_restrictions
 #  -o smtpd_helo_restrictions=$mua_helo_restrictions