Board Games

AtomGames
Offers instructions and free board games, including chess, go, checkers, reversi, and tic tac toe, played through e-mail clients that support HTML.
http://www.atomgames.com/

Friends with the World
play email scrabble and Battleship also have many fun game links and a Banner Exchange with over 600 members
http://www.angelfire.com/mi/Bradleys/index.html

The Pixie Pit
Play free e-mail Scrabble. Supports two, three and four player games. Post a message with the score. Also has chat and a forum. Over 1000 two-player games in 25 game rooms.
http://www.thepixiepit.co.uk/scrabble.htm

Pockey-Monkey
Offers a variety of board games in various formats.
http://www.pocket-monkey.com/

Richard's PBeM Server
Richard's PBeM Server (pbmserv@gamerz.net) exists so that you can play a variety of games with players around the world by eMail. Among the 100+ games supported are: Chess, Checkers, Backgammon, and Othello.
http://www.gamerz.net/pbmserv/

Shogessi
An original 2 or 4 player Chess/Shogi variant, designed for use with the CyberBoard freeware utility.
http://mysite.wanadoo-members.co.uk/Shogessi/