New site to play chess by mail. The link :

http://www.chess-mail.com/

Try it, It' s totaly free !

There are level tournaments ( with 5 players ):
Level 1 : 1500 Elo
Level 2 : 1400-1700
Level 3 : 1600-1900
Level 4 : 1800 Elo
Level 5 : 2000 Elo
King of chess-mail: open for all players
And you can also match with an other player.

The games are played with 5 days at the beginning, then each player will
receive an extra 36 hours for all the moves.

You can print, download, analyse( with the analyse board ) your games.

Player ranking and ratings,graphical user interface chessboard,forum ,user
game history, pgn chess game export, problem of the day...

http://www.chess-mail.com/