1 files changed, 11 insertions, 9 deletions
diff --git a/app/mailers/notify.rb b/app/mailers/notify.rb
index 3bbdd9cee76..8cbc9eefc7b 100644
--- a/app/mailers/notify.rb
+++ b/app/mailers/notify.rb
@@ -100,17 +100,11 @@ class Notify < BaseMailer
   end
 
   def mail_thread(model, headers = {})
-    if @project
-      headers['X-GitLab-Project'] = @project.name
-      headers['X-GitLab-Project-Id'] = @project.id
-      headers['X-GitLab-Project-Path'] = @project.path_with_namespace
-    end
-
+    add_project_headers
     headers["X-GitLab-#{model.class.name}-ID"] = model.id
+    headers['X-GitLab-Reply-Key'] = reply_key
 
-    if reply_key
-      headers['X-GitLab-Reply-Key'] = reply_key
-
+    if Gitlab::IncomingEmail.enabled?
       address = Mail::Address.new(Gitlab::IncomingEmail.reply_address(reply_key))
       address.display_name = @project.name_with_namespace
 
@@ -153,4 +147,12 @@ class Notify < BaseMailer
   def reply_key
     @reply_key ||= SentNotification.reply_key
   end
+
+  def add_project_headers
+    return unless @project
+
+    headers['X-GitLab-Project'] = @project.name
+    headers['X-GitLab-Project-Id'] = @project.id
+    headers['X-GitLab-Project-Path'] = @project.path_with_namespace
+  end
 end