This program is so simple to use just leave it going and process your mail when you want to. Other features check mail at different intervals. Comprehensive anti spam tools ranging from your personal friends list and blacklist customizable filters external blacklists bayesian spam filtering which quickly learns to distinguish your spam and good email and email virus filtering. Comprehensive help documentation on this site. It sends a short message to friends you nominate to tell them about mailwasher its features and where they can download it. Bayesian spam filtering.