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Editors' Rating:
Average User Rating:
out of 3 votes out of 0 votes

Quick Specs

  • Version:
  • Total Downloads:
  • Date Added:
    Mar. 12, 2013
  • Price:
  • File Size:
  • Downloads Last Week:
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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.

Editors' Review


An extension for Thunderbird and SeaMonkey, Enigmail is a must-use for anybody who's concerned about sending e-mail that can be read by anybody, including your Internet Service Provider. It's not intended to encrypt all of your mail, although you can certainly do that. Rather, it's best used for ensuring that even remotely sensitive e-mails don't get read by the wrong person.

It uses the OpenPGP standard to digitally sign your e-mail, and can be configured to accommodate multiple e-mail accounts. One hang up is that it's impossible with the current version to permanently decrypt e-mails, which can prevent them from being found by the otherwise-powerful Thunderbird search tools. Enigmail is an invaluable resource for messages containing sensitive information. An installation guide, which is essential for all but the most advanced power users, is available at the Enigmail Web site.

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User Reviews

Results 1–3 of 3

4 stars

"Once you figure it out... it works great"

October 22, 2012  |  By Noyzvelot

2012-10-22 00:52:38  |  By Noyzvelot

 |  Version: Enigmail 1.4.5


1. Learn how encryption works and appreciate monotype fonts (eventually...)
2. No one (including yourself) will ever be able to read encrypted emails without the key
3. Very easy key management takes place mostly behind the scenes once you get a "circle of trust" started.


1. You have to also download/install another program, whose documentation is nearly incomprehensible, in order to use this
2. You have to be able to make sense of PKI terminology
3. Geekiness and/or paranoia is a must, otherwise you probably won't stick with this.


Unless you're already an old-school Radio Shack type tech geek, you will probably have a difficult time figuring out Enigmail. But once you do, rest secure in the knowledge that your encrypted emails are indecipherable to prying eyes for the next thousand years or so.

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5 stars

"Must have for Mozilla Thunderbird 3.0"

January 03, 2010  |  By ke4jcd

2010-01-03 19:30:14  |  By ke4jcd

 |  Version: Enigmail 0.96.0


it works and unlike PGP it is FREE. It will sign, encryption, and decryption your e-mail


Nothing at all


It makes Mozilla Thunderbird 3.0 a vary powerful program..

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1 stars

"very poor presentation"

October 28, 2008  |  By godwinq8

2008-10-28 07:17:04  |  By godwinq8

 |  Version: Enigmail 0.95


the vidio presentation does not work from months it keeps buffering for ever. Even free using requires good presentation


no body knows if this works very poor presentation the vido presentation never works keeps buffering. Sorry better luck next time


present a software in detail nobody will use it even free

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Results 1–3 of 3

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Full Specifications

Publisher Patrick Brunschwig, Olav Seyfarth
Publisher web site
Release Date February 05, 2013
Date Added March 12, 2013
Version 1.5.1
Category Browsers
Subcategory Firefox Add-ons & Plugins
Operating Systems
Operating Systems Windows XP/2003/Vista/Server 2008/7
Additional Requirements None
Download Information
File Size 1.55MB
File Name enigmail-1.5.1-sm+tb.xpi
Total Downloads 9,778
Downloads Last Week 2
License Model Free
Limitations Not available
Price Free

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