Configure development for letter opener

Author: rossta

config/environments/development.rb

@@ -43,6 +43,10 @@
 
   config.action_mailer.default_url_options = {host: "localhost", port: 3000}
 
+  # Preview email in the browser instead of sending
+  config.action_mailer.delivery_method = :letter_opener
+  config.action_mailer.perform_deliveries = true
+
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log