Blue Frog Anti Spam   
http://www.bluesecurity.com

Blue Frog actively fights spam and makes spammers leave you alone. Blue Frog automatically posts complaints on the sites advertised by the spam you receive. Report your spam from any desktop email client or let Blue Frog automatically report your Gmail, Hotmail and Yahoo spam directly from the Firefox or Internet Explorer browser. Make spammers leave you alone. Filtering spam is not enough. Blue Frog protects your email accounts or your entire mail domain by making spammers remove your from their mailing lists. Be active. Fight back! Dowload Blue Frog and join the members of the Blue Community in their fight against spam. Over 420,000 email addresses protected.

TZ Anti Spam Filter   
http://www.trackzapper.com

Eliminate Junk E-Mail Spam, Spyware, Viruses & Tojans. Works with POP3, IMAP, HTTP servers like Yahoo! & Hotmial. This Anti Spam Filter - powerful e-mail checker programs with effective spam elimination. Discover the safe way to stop unwanted viruses & spam e-mails before they get to your PC. Can be used as an effective privacy tool. This is the easiest, most effective way to manage your incoming e-mails like a pro in seconds. TZ Anti Spam Filter & Killer is the best solution to fight the spam mails in your e-mail accounts. Filters the messages using a multiple criteria like spam words, friend list, blocked list, & state of the art algorithm rules. Your account passwords are encrypted by a powerful encryption technique, so its too difficult for any one to hack your passwords. All messages text whatever deleted or resident in the mailbox are saved in your hard drive and appears in the main window list, the reason for deletion or existence and other checking information are also stated.

0Spam.com Express   
http://www.0spamexpress.com

0Spam.com Express is the all-in-one, next generation anti-spam tool that protects you from the next generation of spams. Compatible with all versions of Windows and most E-mail clients (Outlook Express, Eudora, Opera, Netscape...), 0Spam.com Express can safely and efficiently remove spam from your existing POP3, Yahoo, Hotmail, GMail, or IMAP accounts. Integrates easily with your E-mail client and logs all scanned messages allowing you to see which messages were blocked and why. Features include E-mail, domain, keyword, and mailing list whitelists, blacklists, DNS IP blocking, quarantined mail folder, daily reports, real-time updates, message heuristic analysis, and 20 verification message translations allowing you to bounce back suspected spam in the appropriate language. This small and efficient application sleeps on your Task Bar and intercepts spam messages before your E-mail client can even download them. No matter if you get 5 or 5000 spams a day, 0Spam.com Express allows home and business users to have an inbox free of spam.

Zaep AntiSpam   
http://www.RhinoSoft.com

Zaep AntiSpam eliminates 100% of the spam you receive without the added hassle of other anti-spam solutions. It doesn't require training to recognize a spam message. It doesn't require that you review its results for any mistakes. It eliminates spam and lets you enjoy receiving new email rather than dreading it. Using a simple challenge-response based system, Zaep AntiSpam verifies the sender's email address before you get the message. This simple procedure is only done once and takes only a few seconds to perform so it doesn't create an inconvenience. Use Zaep Standard to protect each of the email addresses you use at home from receiving hundreds of advertisements for useless products. Or you can deploy Zaep Professional on your corporate network to have it protect every single email account within your business. Increase productivity and start enjoying your email by never looking at another spam message again. Zaep AntiSpam makes it happen.

Anti Spam Boy   
http://www.acezip.net

It detects spam before it reaches the mail system and kills the receive process immediately. Saving you a lot of bandwidth. Spam will not reach your mailboxes. It works with any e-mail client, and supports an unlimited number of e-mail accounts. Setup is simple with a few clicks. There is no need to reconfigure your e-mail client and you can manual enter unwanted spammer's domains.