diff --git a/roles/mail_server/templates/main.cf.j2 b/roles/mail_server/templates/main.cf.j2
index 6315a8f8237db6f6d4819253f2f068fd1ea73cb5..09e17374e977246fb7bddc5d413f4afe85013fa8 100644
--- a/roles/mail_server/templates/main.cf.j2
+++ b/roles/mail_server/templates/main.cf.j2
@@ -33,7 +33,8 @@ alias_database = hash:/etc/aliases
 myorigin = /etc/mailname
 mydestination = mail.example.com, mail, localhost.localdomain, localhost
 relayhost = 
-mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
+mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128{% for network in smtp_allow_relay_from  %} {{ network }}{% endfor %}
+
 mailbox_command = procmail -a "$EXTENSION"
 mailbox_size_limit = 0
 recipient_delimiter = +