diff --git a/assets/install.sh b/assets/install.sh
index 0b2aaff..5fcfb8d 100755
--- a/assets/install.sh
+++ b/assets/install.sh
@@ -58,6 +58,8 @@ if [[ -n "$(find /etc/postfix/certs -iname *.crt)" && -n "$(find /etc/postfix/ce
   # /etc/postfix/main.cf
   postconf -e smtpd_tls_cert_file=$(find /etc/postfix/certs -iname *.crt)
   postconf -e smtpd_tls_key_file=$(find /etc/postfix/certs -iname *.key)
+  postconf -e smtp_tls_security_level=may
+  postconf -e smtp_tls_loglevel=1
   chmod 400 /etc/postfix/certs/*.*
   # /etc/postfix/master.cf
   postconf -M submission/inet="submission   inet   n   -   n   -   -   smtpd"
@@ -127,4 +129,4 @@ cat >> /etc/opendkim/SigningTable <<EOF
 *@$maildomain mail._domainkey.$maildomain
 EOF
 chown opendkim:opendkim $(find /etc/opendkim/domainkeys -iname *.private)
-chmod 400 $(find /etc/opendkim/domainkeys -iname *.private)
\ No newline at end of file
+chmod 400 $(find /etc/opendkim/domainkeys -iname *.private)