Added a paragraph about mailing lists.

accounts.rst

@@ -12,6 +12,10 @@ List of All Accounts (and How to Get Them)
 
 Use the links to each app to get to their signup form.
 
+* *Email* and other communication accounts
+
+  See :ref:`communications-chapter` for details.
+
 * `Bugzilla`_ — use your @mozilla.com email to get 1337 access, and
   put your IRC nick or whatever you go by in your Bugzilla username
   for easier searching (example: ``Matthew Riley MacPherson

communications.rst

@@ -1,5 +1,7 @@
 .. index:: communications
 
+.. _communications-chapter:
+
 ==============
 Communications
 ==============
@@ -8,6 +10,24 @@ To contact someone, you can use the following methods:
 
 .. index:: communications;irc
 
+=======
+Mailing lists
+-------------
+
+Two mailing lists are the most important:
+
+* `dev-webdev`_ is a public mailing list for all web developers in the Mozilla
+  community. Sign up for it yourself, and use it for all webdev group
+  communication that's not specific to people employed by Mozilla.
+* ``webdev@`` is an internal mailing list specific to webdevs employed by
+  Mozilla. Have your manager add you and use the list for topics that would
+  not be interesting outside the Webdev group at Mozilla.
+
+Additionally, many teams have their own, team-specific mailing lists. Check
+with your manager and have her or him add you.
+
+.. _`dev-webdev`: http://lists.mozilla.org/dev-webdev
+
 .. _irc-chapter:
 
 IRC