Složky a filtry
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.
Awesome Auto Archive Nevyžaduje restart
Automatically do Archive/Copy/Delete/Move actions based on user defined rules
Caps Killer is a protection against newbies using caps in their mails.
Shows unread email count for collapsed folders even if the unread mails are in subfolders.
Color your Folder Treeview Icons!
This add-on provides various search filters couting values, such as total number of recipients, or number of lines, words,links in body message.
Disallows to delete not-empty mail folders.
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'.
Empty all your Trash and Junk folders in one fell swoop!
Train your EuropeanMX filter by reporting unrecognized spam or false-positives back to us.
Powerful message searching through expressions. Type "from:fred to:tom" to see all messages from Fred to Tom in the current view. Support 'regular expressions' and 'click to search'.
ExtendIMAPFilters Nevyžaduje restart
This addon extends filtering to read messages downloaded during an IMAP synchronization (bug 308148)
Feedly Synchronizer Nevyžaduje restart
Synchronize your favorite RSS sources with Thundebird and Feedly
Rank your email folders by how much you care about them, and hide the ones you don't need right now.
Add arrow buttons for rotating among folder views, and switch to "All Folders" view when hovering over the folder pane during drag & drop.
This extension adds some basic missing features about folders.
Move mails to their conversation folder. Navigate to folder with new keyboard shortcuts.
Show a column with the Gravatar-picture and sender-name in email folders.
Removes the "Local Folders" entry from the folder pane.
This is a Thunderbird addon that lets you customize the behavior of the IMAP draft unread messages. No more new mail notifications for your drafts!!