If you are looking for PBEM specifically (if you have something against, or don't like TCP/IP) you will probably have to wait for a MP thread to come along.

If you would like to join any game you can get your hands on , there are threads that start up here semi-regularly as well as over at DomX Forums http://invisionfree.com/forums/Domin...5&showforum=23

there are also some games going on if you happen to be a Gold Golder on their Forums.

Last but not least, if you are looking for any type of game and you have a piece of time on your hands, there are a few Groups that play blitz games, (1 or 2 sitting games) during certain set times.