Folders and Filters

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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.

Rated 4 out of 5 stars (9)
256 users

Gravatars Requires Restart

Show a column with the Gravatar-picture and sender-name in email folders.

Rated 4 out of 5 stars (2)
3 users

NTFNTF

NTFNTF: Notify on This Folder Not That Folder. Choose to enable or disable notifications on a per-folder basis.

Rated 4 out of 5 stars (1)
28 users

Mark Junk Read

Automatically marks all messages in junk folders as read.

Rated 5 out of 5 stars (9)
20 users

thundersort

Sort incoming mails into account folders based on the local part

Not yet rated
189 users

Silent Block

Minimum and fast URL blocker.

Rated 4 out of 5 stars (31)
105 users

Folders for search, onDisk Status- Glodaquilla-NG:

Global Search/Indexing Enhancements/ On Disk Status for IMAP
Permits selective enabling and disabling of search indexing on folders or accounts - with inheritence. Extra columns can show whether a mail is stored on disk and its indexing status.

Not yet rated
11 users

Empty Folder

Adds a context option to mail folders for moving all included messages to trash.

Rated 4 out of 5 stars (13)
236 users

Novacoin Antispam Requires Restart

Keep a correspondence with only the well off people.
For donate 4VgkLjNQHDcawXbvuTry3X4V2WEXP66vay

Not yet rated
0 users

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.

Rated 3 out of 5 stars (4)
135 users

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.

Rated 4 out of 5 stars (6)
3 users

Real sender of italian PEC

Shows real sender of italian certified emails (PEC) into the table that lists emails.

Not yet rated
4 users

Empty 'em Requires Restart

Empty all your Trash and Junk folders in one fell swoop!

Rated 3 out of 5 stars (32)
11 users

OpenFolder

This add-on makes it easy to open folders on a file server.

In order to use the add-on, you need to install two things: the add-on and the linked app.
You can download the linked app from the following website.

https://openfolder.net/

Rated 3 out of 5 stars (2)
164 users

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.

Rated 2 out of 5 stars (3)
85 users

Mailing list filter

Mail filter search term using mailing lists (and not whole addressbooks).

Rated 5 out of 5 stars (1)
125 users

selectAll Button

This Add-on installs a button on the mail toolbar that will when clicked select all messages within the folder.

Not yet rated
97 users

Reply Monitor Requires Restart

**This is NOT COMPATIBLE with Thunderbird 31 or newer versions**
Keep track of your emails and replies (Lightning is required).
Note: the name of this add-on has been changed to Reply Monitor because the previous name is a registered trademark.

Rated 4 out of 5 stars (21)
2 users

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.

Rated 5 out of 5 stars (4)
89 users

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.

Rated 5 out of 5 stars (36)
589 users