Extensions by Weekly Downloads
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.
Customizable LDAP AddressBook Auto Complete Requires Restart
Provides (restores) customizability of auto complete items for LDAP addressbook items, and more features.
Provides ability to set default search query for address books.
ToggleFullHeaders Requires Restart
Allows you to customise the message panel buttons to add a "Toggle Headers" button that will switch between showing and hiding the full headers.
The Book of Mozilla, 15:1 in Japanese
Inbox Cleaner of expired Emails Requires Restart
Moves expired Emails out of your Inbox!
Planteen Host Email Requires Restart
This is the official quick access link for Planteen Host Email. Plenty of FREE extras! Business and Corporate class email. Use your own domain, reliable, secure and access from any device.
Smart Quotes Requires Restart
Enables “Smart” Quotes for Thunderbird Email
QuickFilterToolbar Requires Restart
Makes the quick filter bar a proper toolbar.
WDownloader plugin for Firefox
Signature Fixer Requires Restart
Fixes the Signature Stacking bug for Forwards/Replies.
Cairo-Dock unread messages Requires Restart
Displays the number of unread messages in all inboxes on your dock.
Workspace for Thunderbird Requires Restart
A simple editor for executing snippets of JS. In Thunderbird.
Spoof Detector Requires Restart
Extension for Email Spoofing Detection
SavedSearchInSubFolders Requires Restart
This addon allows virtual folders (saved searches) to automatically process all subfolders of their selected target folders.
The search targets are updated automatically whenever a new folder is added, or a virtual folder is updated.
After Unsent Mail Is Sent Requires Restart
Run a program of your choice after unsent mail has been sent.
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.
Zendesk Widget Requires Restart
Provides a simple integration with Zendesk by displaying some information about the ticket when you open the notification mail for the ticket
This extension is not affiliated with Zendesk in any way. The Zendesk logo is (c) by Zendesk.
dwEasySubject Requires Restart
When you enter a destination, you are editing incomplete address, mailer help you compensate last word by use auto-complete. However, Subject is not used auto-complete. it is enter easy by auto-complete subject line choice sent in the past.