Software
We've compiled a list of 28 free and paid alternatives to Enigmail. The primary competitors include Kolab Now, Mailvelope. In addition to these, users also draw comparisons between Enigmail and Lavabit, MsgSafe.io, AnonyMail. Also you can look at other similar options here: Security and Privacy Software.
We've compiled a list of 28 free and paid alternatives to Enigmail. The primary competitors include Kolab Now, Mailvelope. In addition to these, users also draw comparisons between Enigmail and Lavabit, MsgSafe.io, AnonyMail. Also you can look at other similar options here: Security and Privacy Software.
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Unofficial desktop app for ProtonMail and Tutanota end-to-end encrypted email providers
Security extension to Mozilla Thunderbird and SeaMonkey
Security extension to Mozilla Thunderbird and SeaMonkey
Linux
Mac
Windows
Enigmail is a security extension to Mozilla 
Thunderbird and 
SeaMonkey. It enables you to write and receive email messages signed and/or encrypted with the 
OpenPGP standard.
Sending and receiving encrypted and digitally signed email is simple using Enigmail.
When starting it for the first time, you are guided through the basic setup. We also prepared a new users guide that explains how to use OpenPGP.
Features List
* Tightly integrated suport for OpenPGP with the Mozilla Thunderbird and Mozilla Seamonkey mail clients
* Encrypt/sign mail when sending, decrypt/authenticate received mail
* Support for inline-PGP (RFC 4880) and PGP/MIME (RFC 3156)
* Per-Identity based encryption and signing defaults
* Per-Recipient rules for automated key selection, and enabling/disabling encryption and signing
* OpenPGP key management user interface
* Automatically encrypt or sign attachments for inline PGP messages
* Powerful GUI for easy configuration and OpenPGP key management
* Detailed user preferences for advanced configuration
* Integrated OpenPGP PhotoID viewer
* Supports OpenPGP key retrieval via proxy servers
* Integrates with GnuPG, version 1.4.x and 2.0.x
* Supports Mozillas Multiple Identities feature
* Available for: Windows / Mac OSX / Linux x86-32 (all in one official release file), and contributed / distribution builds for other operating systems such as Linux, Solaris, *BSD and OS/2)
* Many Language Packs, (mostly) included in the official releases, and available separately for localisation of contributed builds
Encrypted Email
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