These ebuilds come from https://bitbucket.org/wagnerflo/portage-overlay.
If you have some problems, go to the official site first.
mailman : A python-based mailing list server with an extensive web interface ( http://www.list.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a wagnerflo
For Paludis use this rsync : rsync://gentoo.zugaina.org/wagnerflo-portage
If you have a problem : ycarus(-at-)zugaina.org