Privacy and Security

Subscribe

GuifiProxy Requires Restart

Simple proxy manager
- Change proxy with two clicks
- Import and export proxies lists
- Manually add, delete and edit proxies
- Automatic authentication on proxies (bypass popup with login and password)
- Proxysel replacement

Rated 4 out of 5 stars (19)
1,561 users

Pan

Block ads and manage proxy.

Rated 4 out of 5 stars (82)
3,910 users

TrayHotKey Requires Restart

为Fx5.0 及以上版本提供系统热键(老板键)功能

Rated 4 out of 5 stars (51)
2,094 users

POW -- Plain Old Webserver Requires Restart

Turn the web on its head with the Plain Old Webserver (POW), which adds a server to your browser.

Rated 5 out of 5 stars (16)
11 users

Purge Events Requires Restart

Purge events from Sunbird and Lightning calendars

Rated 2 out of 5 stars (6)
104 users

Channel Guard Requires Restart

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

Rated 4 out of 5 stars (2)
35 users

Sender Address Columns Requires Restart

Adds optional columns to the Thread Pane to allow sorting email messages by:
* Full sender address -- e.g. "someone@example.com"
* Sender's domain -- e.g. "example.com"
* Sender's local part -- e.g. "someone"
* Sender's TLD -- e.g. ".com"

Rated 5 out of 5 stars (3)
193 users

Complete master password Requires Restart

The goal is to avoid to have to enter the master password on application startUp.
The extension is not self-sufficient, a script has to extract the master for a secure storage like gnome-keyring, then to transfer it through an environment variable.

Not yet rated
3 users

Remote Content By Folder

Decide whether to allow or block remote content in messages by comparing the names of the folders in which they are located to configured regular expressions.

Not yet rated
5 users

CallingID Link Advisor Requires Restart

CallingID Link Advisor verifies the links you see in Firefox and Thunderbird are safe before you follow them. When the mouse is placed over any link a risk assessment and the full details of the site owner are displayed, helping you evaluate the...

Rated 2 out of 5 stars (10)
6 users

S/MIME Security for Multiple Identities Requires Restart

Adds S/MIME Security configuration to the multiple identities dialog.
Meanwhile this feater has been integrated into Thunderbird 3

Rated 5 out of 5 stars (7)
0 users

Reply All Control Requires Restart

Allows you to disable the ability to use Reply All when your email address does not appear in the To: or CC: fields. This usually means you've been BCC'd and Reply All might reveal the sender's sinister plot.

Rated 1 out of 5 stars (2)
0 users

Massey Omura Cryptosystem Requires Restart

Add On Keamanan EMail dengan Massey Omura Cryptosystem

Not yet rated
1 user

pass-manager Requires Restart

Replace integrated password managers storage with zx2c4's pass (www.passwordstore.org)

Rated 3 out of 5 stars (1)
21 users

Sensitivity Header + SPX Requires Restart

Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
Forked from another add-on developed by ff_bob, added SPX header for Sophos security appliances

Not yet rated
11 users

A Better S/MIME GUI Requires Restart

Provides a better S/MIME GUI for Thunderbird.

Rated 3 out of 5 stars (2)
1 user

TorBirdy Requires Restart

This extension configures Thunderbird to make connections over the Tor anonymity network.

Rated 4 out of 5 stars (8)
903 users

Highlight External Addresses Requires Restart

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 (2)
241 users

ThunderSec Requires Restart

ThunderSec is a security extension that provides several pieces of additional security functionality, including DNS-based Blackhole List (DNSBL), Realtime Blackhole Lists (RBL), DomainKeys Identified Mail (DKIM) and Sender Policy Framework (SPF).

Rated 4 out of 5 stars (7)
506 users

Responsible Blocker

The "Responsible Blocker" arrives to save the Internet, this extension blocks all those annoying ads, but allows only small and acceptable ads, so the websites you like can continue online.

The "Responsible Blocker" arrives to save the Internet

Rated 5 out of 5 stars (1)
237 users