Spamfighter - Filter Spam in Windows Live Mail, Outlook, and More Video
Blog Post: http://webeminence.com/blocking-email-spam
Spam is a nasty problem and it's not going away. If you have an email address on your own domain and hosting, you either already deal with email spam or you will soon.
SpamFighter is a great solution for people using the email clients Outlooks, Outlook Express, Thunderbird, Windows Live Mail, and Windows Mail.