diff --git a/postfixd.sh b/postfixd.sh
index 8f4c93c..3f9298e 100755
--- a/postfixd.sh
+++ b/postfixd.sh
@@ -13,6 +13,7 @@ case $1 in
     postconf -e smtpd_tls_key_file="/etc/letsencrypt/live/${SUTTY}/privkey.pem"
     postconf -e smtpd_tls_cert_file="/etc/letsencrypt/live/${SUTTY}/fullchain.pem"
     postconf -e smtpd_milters="inet:${RSPAMD}:11332,inet:opendkim:8891"
+    test -n "${NETWORKS}" && postconf -e mynetworks="${NETWORKS}"
 
     ;;
   stop) ;;