[CentOS] experience with Sympa to Mailman?

Sat Nov 27 00:52:18 UTC 2010
Dave Stevens <geek at uniserve.com>

I have a Centos 5.5 box with Mailman installed. A new user will host lists 
using Mailman, moving from a Sympa based host. Sympa isn't in the repos, does 
anyone know why? or have any experience moving the archive from Sympa to