SpamNet for Outlook Express - Cloudmark SpamNet stops spam automatically. The first and largest collaborative spam-fighting community in the world with over one million SpamFighters, SpamNet automatically cuts the spam you receive by more than 98%, empowering consumers to fight back against spam, while helping to protect your friends, family and every other SpamNet user. If a spam message does slip thru into your inbox, you simply click the "Block" button and you and over one million community members don't get that spam ever again.