Privacy and Security

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Disable about:config

Disable about:config feature of Firefox and Thunderbird.

Not yet rated
40 users
Added February 23, 2014

Disable Addons

Disable Addons.

Not yet rated
1 user
Added February 23, 2014

Do Not Save Password

Prevents to save passwords.

Not yet rated
6 users
Added February 23, 2014

PennyPost

This extension makes it very easy to generate and attach stamps to outgoing mail. It also automatically detects and verifies stamps on incoming emails. The MBound algorithm requires a 16MB fixed table to work, HashCash is more CPU intense.

Not yet rated
9 users
Added February 19, 2014

Cert Importer

Imports certs automatically.

Not yet rated
5 users
Added February 18, 2014

Clear IMAP Local Cache

Clears IMAP local cache on startup.

Not yet rated
20 users
Added February 18, 2014

Flex Confirm Mail

Confirm mail address and attachments based on flexible rules.

Not yet rated
32 users
Added February 18, 2014

ToggleFullHeaders

Allows you to customise the message panel buttons to add a "Toggle Headers" button that will switch between showing and hiding the full headers.

Not yet rated
29 users
Added February 9, 2014

CookieKeeper No Restart

Extended Cookie Manager - Keep only wanted cookies.

Rated 5 out of 5 stars (9)
7,451 users
Added January 22, 2014

Secure Addressing

This add-on provides features to avoid sending emails to wrong addresses. Key features are a confirmation window of recipient's addresses upon sending, name and affiliation look up at mail composition and main windows, and safe auto completion.

Rated 4 out of 5 stars (2)
212 users
Added January 11, 2014

Certified Messages

Create secret messages in your emails that self destruct!

Rated 1 out of 5 stars (1)
26 users
Added November 30, 2013

Bitmask Thunderbird Extension

This extension includes:

* A wizard for creating Bitmask email accounts on Thunderbird.
* Cache prevention for Bitmask accounts.

Not yet rated
35 users
Added October 31, 2013

Highlight External Addresses

This extension helps to warn the user when composing a message to a mixed group of people both in and out of the sender's organization. External addresses are highlighted in orange as a reminder.

Rated 4 out of 5 stars (1)
79 users
Added October 29, 2013

Massey Omura Cryptosystem

Add On Keamanan EMail dengan Massey Omura Cryptosystem

Not yet rated
1 user
Added August 20, 2013

Channel Guard

Channelguard disables plugins and protocol handlers to ensure maximum security against side-channel attack.

Rated 4 out of 5 stars (2)
48 users
Added August 16, 2013

DL for Thunderbird

Allows to convert large attachments to links automatically without 3rd party providers.

Rated 5 out of 5 stars (2)
297 users
Added July 9, 2013

Paranoia

Check if your emails arrived TLS-encrypted (and which corporations were able to read it nevertheless)

Rated 4 out of 5 stars (4)
582 users
Added July 2, 2013

Bluhell Firewall No Restart

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Rated 5 out of 5 stars (108)
107,614 users
Added May 24, 2013

DKIM Verifier

Verifies the DKIM-Signature of an e-mail.

Rated 5 out of 5 stars (7)
801 users
Added May 13, 2013

Enigma-code

Proste i szybkie szyfrowanie korespondencji e-mail, jak i dowolnego tekstu. Algorytm szyfrowania oparty na sposobie szyfrowania maszyny Enigma.

Not yet rated
28 users
Added April 2, 2013