Privacy and Security
Saved Password Editor Requires Restart
Adds the ability to create and edit entries in the password manager.
Password Tags Requires Restart
Adds metadata and sortable tags to the password manager.
Identity Chooser Requires Restart
Identity Chooser helps you to always use the correct identity when composing a new email.
Mail Merge Requires Restart Featured
Mass Mail and Personal Mail
Auto Address Cleaner Requires Restart
Removes comment, display name automatically from addresses before sending mail.
Block ads and manage proxy.
TrayHotKey Requires Restart
QuickPasswords Requires Restart
Retrieve your Passwords the quick way! Never retype or display your secure passwords on screen anymore - put the password where you need it - the login form or the clipboard.
Now also includes SSO change (multi-domain pw) and Backup + Restore.
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
DL for Thunderbird Requires Restart
Allows to convert large attachments to links automatically without 3rd party providers.
한국 웹의 광고를 효율적으로 차단합니다.
Yet Another Remove It Permanently Requires Restart
Remove elements and block content on Web pages.
MEGAbird Requires Restart
Add MEGA support to Thunderbird's Filelink feature.
Confirm-Address Requires Restart
Confirm E-mail address before sending mail
Master Password+ Requires Restart
Various enhancements for build-in "master password" (MP)
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows
Encrypt if possible Requires Restart
Sets message security option "encrypt message", if valid X509 certificates are found for all recipients.
S/MIME Security for Multiple Identities Requires Restart
Adds S/MIME Security configuration to the multiple identities dialog.
Meanwhile this feater has been integrated into Thunderbird 3
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.
Change Referer Button Requires Restart
Button in the toolbar/status bar to change referer value.
Secure Addressing Requires Restart
This add-on provides features to avoid sending emails to wrong addresses. Key features are a confirmation window of recipient's addresses upon sending, name and affiliation look up at mail composition and main windows, and safe auto completion.