Welcome to CDZ Arghis, hope you have a good time here. Unfortunately all my pbem slots are filled, but most likely you will find someone interested within e few days.
On rules, there is a discussion going on to be clear about "undescribed" rules here:
http://www.civ3duelzone.com/forum/to...?TOPIC_ID=1306
And I recommend to read some spoilers just get a clue why PBEM is different from SP.
Have fun!