diff --git a/test/mailers/previews/user_mailer_preview.rb b/test/mailers/previews/user_mailer_preview.rb
new file mode 100644
index 000000000..ec87e1e02
--- /dev/null
+++ b/test/mailers/previews/user_mailer_preview.rb
@@ -0,0 +1,6 @@
+class UserMailerPreview < ActionMailer::Preview
+  def dmail_notice
+    dmail = User.admins.first.dmails.first
+    UserMailer.dmail_notice(dmail)
+  end
+end