Add-ons
Privacy and Security
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Sensitive Attachment Guard
Requires Restart
A Thunderbird add-on censor sensitive attachments (currently Microsoft Office documents) from being sent to unintended recipients.
IsAdmin
Requires Restart
Shows whether the application is running with admin privileges, using an icon in the status bar; useful if logged in as an administrator and you use privilege limitation tools such as DropMyRights, RunAs or Windows User Account Control.
Fingerfox (SE)
Bork Bork Bork!
Requires Restart
The Swedish Chef travesty filter and URL blocker. View web pages or mail as spoken by the Swedish Chef like this...
"Zee Svedeesh Cheff trefesty feelter und URL blucker. Feeoo veb peges oor meeel es spukee by zee Svedeesh Cheff leeke-a thees."
SecondOpinion
Requires Restart
This extension implements a convenient way to check and upload attachments against VirusTotal.com
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.
Bitmask Thunderbird Extension
Requires Restart
After installing the extension, do the following:
1. Make sure that Bitmask is running and you are logged in.
2. In Thunderbird, click the main menu, then "Preferences" - "Account Settings".
3. Click "Account Actions" - "New Bitmask Account...".
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
Channel Guard
Requires Restart
Channelguard disables plugins and protocol handlers to ensure maximum security against side-channel attack.
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.
External Email Alert
Requires Restart
Alerts user to confirm that it is ok to send an external email.
To create your own collections, you must have a Mozilla Add-ons account.
