Using mail-merge with RT
------------------------
-mail-merge now supports limited RT interaction. To use with RT, you should:
+mail-merge now supports limited RT interaction.
+
+
+One-time set-up
+~~~~~~~~~~~~~~~
+
+To do this, mail-merge needs to know your RT username and password. It
+automatically read it from the same `~/.rtrc` that the command-line RT client
+will use. You should create a file called .rtrc in your home directory
+containing:
+
+"""
+server https://help.mit.edu/
+user your-username
+passwd your-password
+query ( Status='new' or Status='open' or Status='stalled' )
+"""
+
+If you don't have a password for RT (separate from your Athena password), you
+can set one at https://help.mit.edu/User/Prefs.html.
+
+Usage
+~~~~~
+
+To use RT for a given mail-merge operation, you should:
* Use the --rt-queue option, passing the queue name (if it contains no spaces)
or ID number (which can be found on https://help.mit.edu/Admin/Queues/)