MAPS is a system for totally eliminating spam from your life. It seeks to minimize the amount of intervention and thus the amount of time you spent dealing with unsolicited emails by requiring that all email are solicited. MAPS provides a convenient way to manage your spam and to allow those you wish to receive email from to be able to email you without hassle.
To learn more about MAPS select an option from the menu on the left. Be sure to read Using MAPS to familiarize yourself with how the MAPS system works and to configure your email client. Then signup for an account (it's free!) and login and enjoy spam free email!