diff --git a/conf/config.json b/conf/config.json
index 8e73438..1a2b6f4 100644
--- a/conf/config.json
+++ b/conf/config.json
@@ -13,8 +13,7 @@
       "from": "__EMAIL__",
       "host": "localhost",
       "username": "__APP__",
-      "password": "__MAIL_PWD__",
-      "key": ""
+      "password": "__MAIL_PWD__"
     }
   },
   "daemon": {