Folders and Filters
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Flat Folder Tree (updated)
Flat Folder Tree enables you to selectively breakout sub-folders under intermediate folders in the folder pane view. This is an updated version of the existing addon, now compatible with Thunderbird 60.
selectAll Button
This Add-on installs a button on the mail toolbar that will when clicked select all messages within the folder.
archive-by-time
With the filter function comes with thunderbird, all emails met rules will be moved to a specific folder. As time passed the folder would grew bigger and I wanted to put all emails into sub folders classified by year.
CatchAll Bird
This extension improves the use of CatchAll-Addresses with Thunderbird.
It handles incoming messages addressed to all prefix@domain.tld for a fixed domain.
For each prefix the AddOn can create a new identity and folder.
Empty Folder
Adds a keyboard action (Ctrl+Del) and a folder context menu to delete all messages in a folder. Has a confirmation dialog to prevent accidental deletions
Disable DragAndDrop (Thunderbird) Requires Restart
A Thunderbird extension which disables drag and drop in the folder pane.
This extension prevents unintended folder movement.
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.
Purge Events Plus Requires Restart
Purge events from Sunbird and Lightning files and thereby cleanes the calendar
Tag Sequence Arranger Requires Restart
Enable you to arrange the tag sequences in their listbox.
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".
If This, Then! - IFTTT connector
*Trigger 'If This Then That' by message filters.
E.g.: On email with the file attachment xyz.log, send from sampledomain.com,
email body with text 'error 365', trigger action "error365" on IFTTT
IFTTT can push to web services, do home automation
Conscious ClickUp Save
Conscious ClickUp Thunderbird add-on is a extension that gives support to send/archive mails from Thunderbird to ClickUp project management platform (https://clickup.com/)
For more info: https://github.com/Ruvin/Conscious-ClickUp-Thunderbird-Plugin
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).
Archive This Requires Restart
Provides keyboard shortcuts for filing messages into nine configurable "favorite" folders using user-defined keys. Also provides a simple filter system with a keyboard shortcut to file the currently selected message(s) into the correct folder.
Thread in same folder
Runs after junk classification and filtering to make sure a newly-received message lands in the same folder as its parent in a thread.
EmailPicky 4 Requires Restart
Grab email addresses from emails from any selected Email Folder and add them to your contacts. (Email Crawler / Email ID Grabber / Bounced email collector) - Thunderbird Plugin
Note: It doesn't create duplicates, but shows as 'xxx messages added'.
quickfilter-kbd
A simple Thunderbird extension that adds keyboard shortcuts to quick-filter messages with the same sender, subject, or recipient as a selected message.
Hide Duplicates From 'All Mail'
Hides duplicate emails from the 'All Mail' folder upon clicking on a result from Global Search, so that if one email is in both the 'All Mail' folder (e.g. of Gmail) and another folder (e.g. 'Sent'), it'll only show the email from the other folder.
To create your own collections, you must have a Mozilla Add-ons account.