Mirramail

Mirramail is a complete email program that provides total security and privacy for the email messages you send, as well as, the messages stored on your computer.

Security is based on 256-bit AES Encryption, and to encrypt a message is as simple as clicking a button. You can choose to encrypt a message with a password you provide or by using the Mirramail key service that automatically allocates the unique encryption key for the recipient.
Mirramail's message store is also secured using 256-bit AES encryption, so that no one can access your messages or send/receive email without your password.
Other features include a secure Address Book for your contacts and an optional Appointment Scheduler & Calendar.
Mirramail was developed to be easy-to-use without compromising the security of your email. We believe Mirramail will provide a simple solution for ensuring your privacy and the privacy of your clients and friends is protected when you communicate by email.