added mailers to development environment

config/environments/development.rb

@@ -13,6 +13,9 @@ Rails.application.configure do
   config.consider_all_requests_local       = true
   config.action_controller.perform_caching = false
 
+  config.action_mailer.delivery_method = :sendmail
+  config.action_mailer.default_url_options = { host: 'justask.local' }
+  config.action_mailer.perform_deliveries = true
   # Don't care if the mailer can't send.
   config.action_mailer.raise_delivery_errors = false