diff --git a/bundles/postfix/metadata.py b/bundles/postfix/metadata.py
index a494a85..4c83baf 100644
--- a/bundles/postfix/metadata.py
+++ b/bundles/postfix/metadata.py
@@ -97,6 +97,7 @@ def letsencrypt(metadata):
 
 @metadata_reactor.provides(
     'firewall/port_rules/25',
+    'firewall/port_rules/465',
     'firewall/port_rules/587',
     'firewall/port_rules/2525',
 )