diff --git a/cookbook/014/05-headerful-message.rb b/cookbook/014/05-headerful-message.rb
new file mode 100644
index 0000000..074c18e
--- /dev/null
+++ b/cookbook/014/05-headerful-message.rb
@@ -0,0 +1,13 @@
+require 'rubygems'
+require 'action_mailer'
+
+
+class SimpleMailer < ActionMailer::Base
+    def headerful_message
+        @headers['X-custom-header'] = 'Its value'
+        body 'Body'
+    end
+end
+
+
+puts SimpleMailer.headerful_message