smtp host format

config/environments/production.rb

@@ -58,7 +58,7 @@ Simpledns::Application.configure do
   # Send deprecation notices to registered listeners
   config.active_support.deprecation = :notify
   
-  config.action_mailer.default_url_options = { :host => 'http://simpledns.heroku.com' }
+  config.action_mailer.default_url_options = { :host => 'simpledns.heroku.com' }
   config.action_mailer.delivery_method = :smtp
   config.action_mailer.smtp_settings = {
     :address              => "smtp.gmail.com",