MouseTrap 1.2.33.0
Anti-Spam, Anti-Junk Program using confirmation message to authenticate senders. MouseTrap is the mediator between your e-mail program and your mailbox. No more can unsoliciated e-mail be blindly accepted by your e-mail program. Watch the amount of junk e-mail be drastically reduced in no time.

Rock Solid Contact US System 0.7.3
A secure Contact US web form write in PHP, with visual optional confirmation, optional email confirmation, internationalization, easy to customize with template. Keep email private, eliminate 99.99% undesired spam. Prevent bot automation and invalid/spoof email. Double validations client/server keep resources used to minimum.

SpamAI Anti-Spam Filter Software DR-4.20.0
SpamAI fights spammers with 100% spam rejection. Only email you approve or build rules for is allowed in. You preview unapproved email in a text-only holding tank that immunizes you from all malware. By simple point and click, including a convenient identity verification checkbox, you build rules for what you want to receive automatically.

Spamologist 1.1
Spamologist is a spam filtering program unlike any other. It utilizes several fully customizable defense mechanisms; dictionary filtering, advanced dictionary filtering, advanced header filtering, allow and block lists, online block lists and a state-of-the-art verification system. Spamologist is the only program of its kind that guarantees a reduction in spam of 100%, or your money back.

Antispam Marisuite for Outlook 1.0.6
Antispam Marisuite is embeddable tool for Office Outlook. It checks each incoming message and moves spam to Junk E-Mail folder. Messages, which cannot be filtered without your assistance, are moved to Quarantine folder. Available wizard takes care of initial configuring and training the spam filter so application begins work effective right after installation. Antispam Marisuite is trainable so anything you consider spam will be treated as spam.