diff --git a/bundles/postfix/metadata.py b/bundles/postfix/metadata.py
index 266fcb1..0e443ee 100644
--- a/bundles/postfix/metadata.py
+++ b/bundles/postfix/metadata.py
@@ -4,4 +4,16 @@ defaults = {
             'postfix': {},
         },
     },
+    'monit': {
+        'services': {
+            'postfix': {
+                'bin': '/usr/lib/postfix/sbin/master',
+                'ports': {
+                    '25': {
+                        'protocol': 'smtp',
+                    },
+                },
+            },
+        },
+    },
 }
\ No newline at end of file