Add-ons
Privacy and Security
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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.
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.
KDE5 Wallet password integration
Requires Restart
This extension enable passwords and form logins to be stored in KDE5 Wallet
CapsKiller
Requires Restart
Caps Killer is a protection against newbies using caps in their mails.
SecondOpinion
Requires Restart
This extension implements a convenient way to check and upload attachments against VirusTotal.com
Yet Another Remove It Permanently
Requires Restart
Remove elements and block content on Web pages.
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...".
Keychain Services Integration
Requires Restart
Store usernames and passwords in your Mac OS X Keychain.
Habu
Requires Restart
*This extension was formerly known as Okopipi*
Please be sure to visit the homepage and forums to provide your input for the future of Habu.
Support can be found at http://forums.mosinu.com/viewforum.php?f=5
Notification Viewer
Requires Restart
Identifies and displays the status of pending and received notifications (DSN, MDN) for messages sent with notification requests. To get full experience with this addon, don't forget to use DSN settings and MDN extended addons too.
Viral Threat Level
Requires Restart
Adds an image to the status bar indicating the current threat level of the internet. It allows quick access to security information that you can use to help protect yourself, and links to antivirus software comparisons and security extensions.
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.
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.
Identity Reminder
Requires Restart
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...
Sensitive Attachment Guard
Requires Restart
A Thunderbird add-on censor sensitive attachments (currently Microsoft Office documents) from being sent to unintended recipients.
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).
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."
PennyPost
Requires Restart
This extension makes it very easy to generate and attach stamps to outgoing mail. It also automatically detects and verifies stamps on incoming emails. The MBound algorithm requires a 16MB fixed table to work, HashCash is more CPU intense.
To create your own collections, you must have a Mozilla Add-ons account.
