Mail UnKnown Anti-Spam 1.532 Stop spam with Mail UnKnown. Mail UnKnown uses a Verify then Validate method giving you control of emails you receive. Emails are held until a sender is verified. Then you have the option to validate them as a sender you want to receive emails from....

Cloudmark SafetyBar for Outlook 4.2 Cloudmark SafetyBar (formerly SpamNet), the most award-winning protection, stops over 98% of spam, fraud, phishing attacks and all email threats automatically and is the only solution to achieve zero false positives in industry reviews....

MouseTrap 1.2.33.0 Anti-Spam, Anti-Junk Program using confirmation message to authenticate senders....