How do I upgrade a RHEL/CentOS Mailman package from source.

At the moment this is a work in progress.

This article discusses RedHat's changes to Mailman to make it conformant with FHS. It includes information about where various files have been relocated to and links to a Mailman-Developers@python.org post that discusses the motivations for this and contains a patch to implement the changes. Unfortunately, the patch is against a very old base, and detailed instructions are lacking. This article is an attempt to remedy that.