JBMail   
http://www.pc-tools.net

JBMail is a compact and portable secure e-mail client that supports SSL/TLS encrypted POP3 and SMTP. The software has been designed for simplicity, security and on-line mailbox access meaning that mail is manipulated remotely and NOT stored locally. Delete spam or large attachments without having to first download them! This portable software does not require installation, registry keys or even temporary files. JBMail can be run from a CD or floppy disk, yet it has all the essential mail client features including attachment support, advanced junk filtering, address books, and defenses against destructive attachments. It is naturally immune to HTML and scripting attacks. With its secure design, small size, and SSL support this client is ideal for the road warrior or security-conscious remote mail user.

Encaps2SMS   
http://powerdev.com.ru

Encaps2sms checks your mailboxes, when you're leaving the computer, and sends notifications about new messages onto your mobile by sms. You may setup leave timeout (in minutes), mailbox access settings (unlimited mailboxes support, ssl), sms sending (your may setup smtp-server, your mobile mailbox), spam filtering (white-list and black-list sender&subject check). After starting, program minimized its main window to the system tray. If you click on that icon, main program's window will shows up again.User interface is intuitive and simple.Demo-version is full functional.

0Pop   
http://www.proxymis.com

Automatically detect ad popup window and non-ad popup in IE. Destroys pop-ups before they open. Speeds up your surfing by stopping all unsollicited pop ups. Audible alerts let you know when popup has been killed No configuration required, no black lists: Run 0 pop and that is all.

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.

Alchemy Spam Filter for Outlook Express   
http://www.alchemy-lab.com

Get rid of spam with Alchemy Spam Filter for Outlook Express! Alchemy Spam Filter is a plug-in module for the Outlook Express e-mail program and represents a self-adaptive unsolicited mail protecting tool. The main method used to combat spam is the statistical algorithm of Bayes. The Bayesian filter is the most efficient anti-spam solution nowadays. Based on self-learning technology, it is more effective than other traditional anti-spam techniques, based on static blacklists checking and keywords databases. Properly learned, this filter can reach spam detection rate up to 98% with minimum false positives. Alchemy Spam Filter also supports the user defined white, black and ignore lists that can be a useful addition to the Bayesian engine correcting its behavior.