Folders and Filters
SavedSearchThemAll Requires Restart
A Thunderbird extension to automagically extend all the saved searches to all the foders!
Delete Only Empty Folder Requires Restart
Disallows to delete not-empty mail folders.
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.
Minimum and fast URL blocker.
Protected E-mail Addresses Requires Restart
Generates protected and disposable e-mail addresses and filters junk mail sent to invalid addresses.
Empty 'em Requires Restart
Empty all your Trash and Junk folders in one fell swoop!
Shedule Filters Requires Restart
Sheduled run message filters
Запуск фильтров сообщений по расписанию
This addon extends filtering to read messages downloaded during an IMAP synchronization (bug 308148)
Tag Sequence Arranger Requires Restart
Enable you to arrange the tag sequences in their listbox.
Novacoin Antispam Requires Restart
Keep a correspondence with only the well off people.
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Count Filters Requires Restart
This add-on provides various search filters couting values, such as total number of recipients, or number of lines, words,links in body message.
Cleans your Firefox, Thunderbird, SeaMonkey, Fennec (unstable), Instantbird and BlueGriffon.
Adds personal filters to quickfilter toolbar
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.
folderplus Requires Restart
This extension adds some basic missing features about folders.
Move mails to their conversation folder. Navigate to folder with new keyboard shortcuts.
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'.
This addon adds an entry in the right-click menu which re-threads selected messages together (groups selected messages into the same thread)". This is done by _modifying_ messages; the author of the addon declines any responsibility for data loss.
Inbox Cleaner of expired Emails Requires Restart
Moves expired Emails out of your Inbox!
Color Folders Requires Restart
Color your Folder Treeview Icons!
SmartFilters Requires Restart
Tired of writing a lot of filters? Install SmartFilters now to organise your mailbox automatically. It can sort out your mailing lists and robot emails.