Add-ons
Folders and Filters
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quickFilters
Quickly generate mail filters on the fly, by dragging and dropping mails and analyzing their attributes. Create a filter in less than 10 seconds, it's as easy as: drag, click, click.
By popular demand, supports SORTING filters alphabetically.
GMail Labels
Shows GMail labels in each message's headers panel. When using Thunderbird with a Gmail account, it is not possible to guess which Gmail labels a message was applied (and in which folders it can be found). This extension provides this information
X-Original-To Column
This addon adds a new column called X-Original-To in the message list which shows the original recipient address of the message (the contents of the X-Original-To header). This can be useful for systems with catch-all email addresses.
Silent Block
Move Mail Shortcuts
Allows assigning keyboard shortcuts for moving mails to folders and jumping to the folders.
Empty Folder
Adds a context option to mail folders for moving all included messages to trash.
Hide Email Folders
Hide Email Folders from the Folder pane (Left pane).
Note: This addon only works for Unified pane/folder mode.
Note #2: Please note that this addon only hide email folders and NOT local folders!
Special thanks to John Bieling, C-E and Alex Cabal.
Gravatars
Requires Restart
Show a column with the Gravatar-picture and sender-name in email folders.
Empty 'em
SpoofDetection
Diese Erweiterung überprüft ungelesene E-Mails auf Spoofingversuche. Die E-Mails werden mithilfe von fünf unterschiedlichen Tests untersucht um deren Legitimität festzustellen. Die Tests werden einzeln erklärt auf der Einstellungsseite.
Mailing list filter
Mail filter search term using mailing lists (and not whole addressbooks).
Novacoin Antispam
Requires Restart
Keep a correspondence with only the well off people.
For donate 4VgkLjNQHDcawXbvuTry3X4V2WEXP66vay
RemindMe
Moves email into Inbox/RemindMe folder, and moves it back into Inbox after chosen time.
Folder Levels
Requires Restart
Rank your email folders by how much you care about them, and hide the ones you don't need right now.
Folder Filters Button
Requires Restart
Just a very simple add-on that adds a toolbar button to execute the "Run Filters on Folders" from Tools menu.
Folder Colors
Requires Restart
A fork of "Color Folders" (aka "Colored Folders") to support TB 68+. Applies custom colors to the folder tree in Thunderbird.
This add-on is superseded in TB78 by the built-in folder-color changer (in folder > Properties).
Theme Font & Size Changer for ThunderBird
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Sieve Out of Office New
Requires Restart
A Thunderbird plugin to allow one to set out of office messages and / or redirect emails to colleagues via a easy to use pop-up dialog.
This Out of Office plugin requires that your POP3 / IMAP server also have a sieve service.
Quick Filter By
A simple extension that sets the Quick Filter based on the selected message fields. You can filter by either selecting "Quick Filter By" in the message list context menu or simply by alt-clicking on the message's sender, recipient or subject text.
To create your own collections, you must have a Mozilla Add-ons account.
