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Signed and encrypted email with Mozilla Thunderbird and Enigmail.
Developer(s) Patrick Brunschwig
Initial release November 30, 2009 (2009-11-30)
Stable release 1.8.2 (April 16, 2015; 5 months ago (2015-04-16)[1]) [±]
Operating system Cross-platform
Type Cryptography
License MPL 1.1/GPL 2+[2]
Website enigmail.net

Enigmail is a data encryption and decryption extension for Mozilla Thunderbird and the SeaMonkey internet suite that provides OpenPGP public key e-mail encryption and signing. Enigmail works under Microsoft Windows, Unix-like, and Mac OS X operating systems. Its cryptographic functionality is handled by GNU Privacy Guard.

For S/MIME, e-mail encryption and signing, Enigmail is not needed as Thunderbird and SeaMonkey provide support for this without an extension.

Enigmail was first released in 2001 by Ramalingam Saravanan, and since 2003 maintained by Patrick Brunschwig. Both Enigmail and GNU Privacy Guard are free, open-source software. Enigmail with Thunderbird is now the most popular PGP setup.[3]

Enigmail has announced to support the new encryption scheme "pretty Easy privacy" (p≡p) in a joint Thunderbird extension to be released in December 2015.[4]

See also[edit]


  1. ^ "Release notes". Patrick Brunschwig. 2015-04-16. Retrieved 2015-04-17. 
  2. ^ "License Information". 
  3. ^ Lee, Micah (July 2, 2013). "Encryption Works: How to Protect Your Privacy in the Age of NSA Surveillance". Freedom of the Press Foundation. Retrieved 1 May 2014. 
  4. ^ "Enigmail and p≡p are partnering together for developing Enigmail/p≡p". 2015-09-07. 

External links[edit]