diff --git a/run.sh b/run.sh
index feffb57..174196d 100644
--- a/run.sh
+++ b/run.sh
@@ -22,7 +22,6 @@ postconf -e "smtp_use_tls = yes"
 postconf -e "smtp_sasl_auth_enable = yes"
 postconf -e "smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd"
 postconf -e "smtp_sasl_security_options = noanonymous"
-postconf -e "smtp_sasl_tls_security_options = noanonymous"
 
 # Create sasl_passwd file with auth credentials
 if [ ! -f /etc/postfix/sasl_passwd ]; then