The Cluttered Attic - Publishes Trivia of the Day: A daily newsletter with a new piece of Trivia each day. New trivia will appear on the web page about a week after they have been in the newsletter. - http://twotrees.www.50megs.com/attic/index.html
Ron and Marie's Disney Trivia - Information on Disney Animation plus free Daily Disney Email List. - http://www.disneytrivia.net/
American Trivia Federation - Competitive league, with comprehensive descriptions of Trivial Pursuit editions. - http://www.a-t-f.net/
Dark Neon Flashback: Back To The Eighties - Exclusive original interviews with the pop stars of the 80s, plus fact files, trivia and links on site and via newsletter. - http://www.darkneon.com
Trivia Tidbit - Delivers one quick trivia question & answer in your emailbox every day - http://triviatidbit.net
BrainEmail - Includes Jokes, Trivia, Humor, Word-A-Day, History, and Etymology. - http://www.brainemail.com
Just Riddles and More - Riddles, trivia, illusions, puzzles, and brain teasers. - http://www.justriddlesandmore.com
Name That Movie - Movie trivia questions sent in your email every week. - http://www.namethatmovie.net
A Trivia Break - A dozen trivia questions every Wednesday - http://atriviabreak.net
The QuizQueen - Two themed trivia quizzes delivered every Sunday - http://quizqueen.net
A General Knowledge Quiz (by email) - Compete against friends/colleagues, against the world, or just for fun and prizes. - http://www.email-quiz.com
Naoworld.com Trivia Advanced - Interesting and informative trivia questions e-mailed to you every week. - http://www.naoworld.com/advanced
Duplicity - An email-based trivia game where points are given for answers that match those of other players, irrespective of correctness. - http://www.stormloader.com/kevan/duplicity