--- a/mail.rst	Thu Sep 15 00:26:34 2016 +0300
+++ b/mail.rst	Sat Sep 24 11:48:36 2016 +0300
@@ -66,6 +66,9 @@
 
   http://josefsson.org/emacs-smtp-starttls.html
 
+https://support.google.com/a/answer/33915
+  Configuring Your MX Records: Other domain hosts.
+
  * http://justinsboringpage.blogspot.com/2009/02/sending-email-via-gmail-in-emacs.html
  * http://obfuscatedcode.wordpress.com/2007/04/26/configuring-emacs-for-gmails-smtp