diff --git a/app/mailers/notify.rb b/app/mailers/notify.rb
index 2f7be00c33ed48e37d18fffc33952ee87f81a7b2..aec4c57cba859a60717b5eb27f38fb64c2fc7540 100644
--- a/app/mailers/notify.rb
+++ b/app/mailers/notify.rb
@@ -16,6 +16,7 @@ class Notify < ActionMailer::Base
   default_url_options[:script_name] = Gitlab.config.gitlab.relative_url_root
 
   default from: Gitlab.config.gitlab.email_from
+  default reply_to: "noreply@#{Gitlab.config.gitlab.host}"
 
   # Just send email with 3 seconds delay
   def self.delay