Add-ons
Privacy and Security
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Native AdBlocker
Sensitivity Header
Requires Restart
Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
This allows the user to select Private / Personal / Company-Confidential (or none) for an outgoing message.
No longer maintained: See below.
Disable About Something
Requires Restart
Provides ability to disable "about:*" pages by the configuration.
KDE5 Wallet password integration
Requires Restart
This extension enable passwords and form logins to be stored in KDE5 Wallet
PrivaConf
Thunderbird-DontRestoreTabs
Requires Restart
Allows the user not to restore tabs at startup in Thundertbird
MEGAbird
Check Attachment before Send
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.
Rspamd-spamness
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
No Resource URI Leak
Deny resource:// access to Web content: We fill the hole to defend against fingerprinting. Very important to Firefox privacy. A direct workaround for bugzil.la/863246
Classic Password Editor
Requires Restart
Adds the ability to create and edit entries in the password manager.
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.
Great DANE
Requires Restart
Retrieve DANE S/MIME Certificates for Encryption/Signing.
This extension enables users to automatically retrieve S/MIME certificates using the Great DANE Engine (https://github.com/grierforensics/Great-DANE-Engine).
Logout
This extension adds "Logout" to the folders/accounts context menu.
After you "Logout" you will be asked again for passwords for this account (incoming and outgoing) without the need to restart thunderbird.
Stego Block
Requires Restart
Embeds a small secondary, encrypted message in an email, known as a Stego Block.
TracEmail
Requires Restart
A tool to raise awareness on email privacy. Visualizes the estimation of the path of your email messages on an interactive map. You can see which countries might have taken a copy of the message.
DSN Settings 2
Requires Restart
Adds user interface settings for Delivery Status Notification (DSN) requests. This addon is useful for settings for Delivery Notification request and better experience with Notification Viewer addon.
Auto Password Registerer
Requires Restart
Registers given passwords to Firefox/Thunderbird's password manager automatically.
To create your own collections, you must have a Mozilla Add-ons account.
