diff --git a/templates/default/port_smtp.erb b/templates/default/port_smtp.erb
new file mode 100644
index 00000000..eb6aa804
--- /dev/null
+++ b/templates/default/port_smtp.erb
@@ -0,0 +1,2 @@
+# SMTP
+-A FWR -p tcp -m tcp --dport 25 -j ACCEPT