Privacy and Security

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Do Not Save Password

Prevents to save passwords.

Not yet rated
7 users

Purge Events

Purge events from Sunbird and Lightning calendars

Rated 2 out of 5 stars (6)
197 users

ChiaraMail

Enhances Thunderbird with Envelope-Content Splitting (ECS) technology to provide you with a superior e-mail experience, including:

1. Preventing eavesdroppers from reading your mail
2. Protect against e-mail address "spoofing"

and much more.

Rated 5 out of 5 stars (1)
113 users

Disable Addons

Disable Addons.

Not yet rated
2 users

S/MIME Security for Multiple Identities

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)
71 users

Reply All Control

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)
17 users

Spoof Detector

Extension for Email Spoofing Detection

Rated 2 out of 5 stars (1)
88 users

Paranoia

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

Rated 4 out of 5 stars (5)
712 users

Disable about:config

Disable about:config feature of Firefox and Thunderbird.

Not yet rated
80 users

privateID

This extension displays a warning if you send a message from your private emailID to an address/ mailing list which is not found in your Personal Address Book...

Rated 3 out of 5 stars (6)
97 users

A Better S/MIME GUI

Provides a better S/MIME GUI for Thunderbird.

Rated 3 out of 5 stars (2)
14 users

Blend In

Blends OS-related values in User-Agent HTTP request header & a number of JS properties, so that Firefox (Thunderbird) appears to sites visited as running on the OS used the most in the world. Since 18.0t17.0.2 Windows is blended by default as well.

Rated 5 out of 5 stars (4)
631 users

DL for Thunderbird

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

Rated 5 out of 5 stars (2)
436 users

Pan No Restart

Block ads and manage proxy.

Rated 5 out of 5 stars (6)
445 users

Identity Reminder

How many times have you sent out an email and forgotten to set the appropriate email identity? Over and over I send out an email from the wrong address and promise myself I'll never forget again and from now on, I will make sure to set the...

Rated 4 out of 5 stars (15)
62 users

eelpout

The anti-phish. An informative phishing detection...

Rated 3 out of 5 stars (2)
8 users

View Your Certificates Email Address

Adds a column for displaying the certificates Email address to the "Your Certificates" tab of the Certificate Manager

Rated 5 out of 5 stars (4)
360 users

my site 1.0 No Restart

it allow to browse facebook - youtube and gmail in secured way...

Rated 1 out of 5 stars (1)
22 users

Channel Guard

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

Rated 4 out of 5 stars (2)
50 users

Element Hiding Helper for Pan No Restart

Help you create element hiding rules for Pan to fight the text ads.

Rated 5 out of 5 stars (1)
136 users