Privacy and Security
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AlertSwitch
Simply turn on or turn off the alerts shown & sounds played when new message arrives.
ReloadPAC Requires Restart
Workaround for Bug 351163 (Thunderbird bypasses proxy.pac for first connection).
TUD-CERT Phishing Report
Adds a phishing report button to the toolbar to enable members of Technische Universität Dresden to report suspicious e-mails to TUD-CERT with just a few clicks. If desired, an optional comment can be entered upon each report.
ProtonMail Encryption Status
When using ProtonMail Bridge to integrate Mozilla Thunderbird withProtonMail, it's not easy to tell which emails were end-to-end (E2E) encrypted. This add-on puts an icon in the toolbar above every message to show you its encryption status.
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.
Soapy Requires Restart
Bypasses DNS-based censorship
NOTE: This was created as a SOPA protest in 2012. This does not work anymore for most sites. Use Tor instead.
Disable about:config Requires Restart
Disable about:config feature of Firefox and Thunderbird.
Automatic Export Requires Restart
exports by an intervall or after pressing the button selected calendars in a defined folder in two modes - normal and backup...
On my homepage is the current version.
Here on this site it takes a long time after i publish a new version.
Disable Signature Requires Restart
Allows to disable the S/MIME signature of messages. Afterwards, these messages are no longer recognized as signed and their attachments can be deleted or detached.
Sender Verification Anti-Phishing Extension Requires Restart
Protects you from phishing attacks by verifying the From: address domain name of emails as you read them. Sender Policy Framework (SPF) and DNS-based reputation lists are used.
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.
KDE5 Wallet password integration Requires Restart
This extension enable passwords and form logins to be stored in KDE5 Wallet
Change Referer Button Requires Restart
Button in the toolbar/status bar to change referer value.
CapsKiller Requires Restart
Caps Killer is a protection against newbies using caps in their mails.
To create your own collections, you must have a Mozilla Add-ons account.