diff --git a/config/environments/development.rb b/config/environments/development.rb
index b0d7a9d9b..74434ea60 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -27,8 +27,9 @@ Rails.application.configure do
   end
 
   config.action_mailer.default_url_options = { :host => 'localhost', port: 3000 }
-  config.action_mailer.delivery_method = :smtp
-  config.action_mailer.smtp_settings = { :address => 'localhost', :port => 1025 }
+
+  config.action_mailer.delivery_method = :letter_opener
+  config.action_mailer.perform_deliveries = true
 
   # Don't care if the mailer can't send.
   config.action_mailer.raise_delivery_errors = false