diff --git a/railties/lib/rails/templates/rails/mailers/email.html.erb b/railties/lib/rails/templates/rails/mailers/email.html.erb
index 977feb922b364e5aedab3c601b574b1a4422429d..1dc1d70f8d000be6b3d0d0e68916ab1877fb46c7 100644
--- a/railties/lib/rails/templates/rails/mailers/email.html.erb
+++ b/railties/lib/rails/templates/rails/mailers/email.html.erb
@@ -2,6 +2,10 @@
 <html><head>
 <meta name="viewport" content="width=device-width" />
 <style type="text/css">
+  body {
+    margin: 0;
+  }
+
   header {
     width: 100%;
     padding: 10px 0 0 0;
@@ -95,4 +99,4 @@
 <iframe seamless name="messageBody" src="?part=<%= Rack::Utils.escape(@part.mime_type) %>"></iframe>
 
 </body>
-</html>
\ No newline at end of file
+</html>
