Description of Ciphire Mail program at Mac Shareware: Ciphire Mail is an email encryption tool. It works in conjunction with your existing email client. It operates seamlessly in the background and does not interfere with normal email routines.

Ciphire Mail is an email encryption tool. It works in conjunction with your existing email client. It operates seamlessly in the background and does not interfere with normal email routines. It encrypts and decrypts email messages, and can digitally sign each message to provide authentication and guard against identity theft. It resides on your computer, between your email client and your email server, transparently encrypting/decrypting and digitally signing your email communication. It runs on Windows 2000/XP, Linux, and Mac OS X. It is compatible with all email clients using standard SMTP, POP3, or IMAP4 (including SSL/TLS variants and STARTTLS support). It is free for consumers, non-profit organizations, and the press.

Ciphire Mail is a completely free software. You can free download and use it as long as you like.