Mailing List Administration and Configuration

The mailing list package we use is Mailman.

This CS Guide page does not attempt to duplicate the Mailman documentation or the primary FAQ page. Rather, it is a local guide designed to address frequently (or infrequently) asked questions regarding mailing list administration and configuration.

The Questions

The Answers

How do I limit membership to Princeton email addresses?

If want to restrict a membership in a mailing list to, say, email addresses in the domain (including and, enter the following regular expression in the mailing list's ban_list field (on the Privacy options page):


If you want to strictly limit to just, use this regular expression:


What is the syntax for regular expressions?

Mailman is written in the Python Programming Language. As a consequence, the regular expressions used in Mailman are Python regular expressions. Documentation on the syntax can be found here.