diff --git a/config/action_mailer.yml.example b/config/action_mailer.yml.example
index 6c483b92..5948ee9f 100644
--- a/config/action_mailer.yml.example
+++ b/config/action_mailer.yml.example
@@ -7,6 +7,7 @@ development:
   <<: *default
   default_url_options:
     host: localhost
+  delivery_method: :test
 
 production:
   <<: *default