Just so you know the games hosted on Llamaserver (for free and very efficiently) are PBEM. It has some clever linux magic going on that enables it to process turns automagically etc... but it is actually PBEM.
http://forum.shrapnelgames.com/showthread.php?t=40486
That threads lists llamaserver.net and there is a handy dandy FAQ and guide on Llamaserver.net.