Securely send emails to others on your corporate network or on the public internet. Messages are encrypted prior to being sent, using the latest encryption algorithms and technology. Only the sender and recipient can decrypt and read an email message, thereby making it unreadable to anyone else. SecureEmail is installed as an Outlook add-in. Microsoft Outlook 2010 is required in order to use SecureEmail. Unlike with other similar, inferior programs, Microsoft Exchange Server is NOT required, since the program interfaces with the Outlook client itself, rather than the server.