Add-ons
Folders and Filters
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NTFNTF
NTFNTF: Notify on This Folder Not That Folder. Choose to enable or disable notifications on a per-folder basis.
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.
Full Address Column
Adds a full sender and recipient e-mail column to message list panel.
SPAM Check for OCN
- SPAM Header Checker for OCN(Japanese Internet Provider)
- This plugin looks at the header of the mail and assigns a "junk mail" mark.
- Only if the header (X-CON-SPAM-CHECK) of the mail is set to 100%, it will be marked as "spam".
Pushover Notifier
Send a Pushover notification when a new email arrives.
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.
Start with Inbox
Selects the latest message in the Inbox after start of Thunderbird.
QuickFolders (Tabbed Folders)
The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.
See new mail at a glance after automatic filtering - supports quickFilters addon!
Mark Subfolders Read
Adds a context option to folders for marking all contents of the selected folder and all subfolders as read.
Mailing list filter
Mail filter search term using mailing lists (and not whole addressbooks).
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.
Filter on Folder Button
act. version 1.6.1 for Tb >= 128.x
Toolbar menu button with filter functions.
- run filter on folder
- run filter on message
- show filter dlg
- create filter from message
with hotkeys, theme support, languages de, en, fr, es, it
Group Favorite Folders
An extension for Thunderbird 115+ that groups and sorts favorites folders in the compact view.
Custom Subject Column
Add a column to the message list that replaces the subject with a regular expression
Filter Button
Allows to add a button to the message header view toolbar that shows all filters that match the selected message, including manual and disabled filters. A click on the button allows to select a filter to run.
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
Auto-Mark Folder Read
New messages can be automatically marked as read in common folders (e.g. spam, trash, drafts, templates).
Last selected message
The add-on remembers the last selected message in visited folders. After restarting Thunderbird, when we enter the previously visited folder, this message will be displayed, just like in Microsoft Outlook.
Disable DragAndDrop (New)
Disable drag and drop on the folder tree in order to prevent unintended folder movement.
RepSel: Reply to all selected mails
Reply to all selected messages with a single button press. E.g., compose a reply to all emails in a folder or those matching a search. Req. permissions: menues to add UI, messageRead to get sender, compose to add recipients, storage for settings.
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