The document summarizes IBM Lotus Protector, a security platform that provides mail encryption. It extends Notes encryption to the internet, securing email using the most seamless encryption for recipients. It ensures content in transit is not intercepted or modified, saving costs compared to traditional delivery methods. The platform integrates with Notes/Domino and provides deployment flexibility via software licensing or appliance options. It works by filtering content and applying encryption policy at the gateway level before sending encrypted email to recipients.