Yahoo! Groups : ccsyaoi - An age restricted Yahoo group/mailing list of yaoi (male + male) and yuri (female + female) pairings, including Sakura and Tomoyo. - http://groups.yahoo.com/group/ccsyaoi/
Yahoo! Clubs: Cherry Blossoms of Yuri - A mailing list and chat room. Open membership, archives available to the public. - http://groups.yahoo.com/group/cherryblossomsofyuri/
Yahoo! Groups : Sakura x Tomoyo - Mailing list. Open membership, unmoderated, archives for members only, email attachments permitted. - http://groups.yahoo.com/group/sakuraxtomoyo/