Editors' Note: The Download Now link will prompt a local download of the Firefox extension. To install the extension directly, open the file using your Firefox browser.
Enigmail adds OpenPGP message encryption and authentication to your email client. It features automatic encryption, decryption and integrated key management functionality. Enigmail requires GnuPG (www.gnupg.org) for the cryptographic functions, which is not included in the installation.
What's new in this version:
Version 1.5.1 has fixed few bugs.