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Send Unsent Mail Button

Toolbar button to send unsent messages.

Rated 5 out of 5 stars (2)
279 users

Attachment Saver

Saves all attachments from multiple selected emails as a single zip file.

It provides an extra option in your context menu when selecting emails.

Rated 5 out of 5 stars (10)
847 users

Search for

Context menu on message allowing quick filtering based on email/sender or domain

Rated 5 out of 5 stars (7)
1,308 users

Monterail Darkness Extended

Monterail Dark, a Thunderbird theme inspired by the mockup of Monterail extended to Calendar, Tasks and Composer. Some more tweaks to normalize heights of the tabs and other options.

Rated 5 out of 5 stars (5)
67 users

Just Report It

Just Report It (https://justreport.it) is an email plugin which tackles spam the right way. Report emails straight to SpamCop, the Registrar, a custom email address or any combination in between!

Rated 5 out of 5 stars (16)
757 users

Export to ZIP

Export your mails and folders to a zip file!

Rated 3 out of 5 stars (12)
1,798 users

DS-BCC

Data protection extension, to avoid data mishaps with circular mails:

1. warning for e-mail with multiple recipients not in BCC (exceptions possible)
2. warning for roundmails with a different recipient domain
3. warning if PGP key is present

Not yet rated
62 users

No tabs

Hides the tab bar and automatically removes all inactive tabs everytime a tab is opened or switched to.

Rated 5 out of 5 stars (8)
157 users

ShowContactFoto

Displays the contact photo/image/picture of the sender/recipients while reading/composing message.
Images are taken from local image files or Address Book (see addon's options page).

Rated 4 out of 5 stars (2)
42 users

Dolnoserbski (dsb) rěcny pakśik

Lower Sorbian language pack for Thunderbird - Dolnoserbski rěcny pakśik za Thunderbird - Niedersorbisches/Wendisches Sprachpaket für Thunderbird

Not yet rated
13,469 users

Use BCC Instead C Requires Restart

This addon prevents you accidentally sending an email to a large number of recipients without hiding their addresses from each other by using BCC. It is for TBv68.

IT WILL NOT BE UPDATED FOR TBv78.
Try my addon 'Limit non-BCC recipients'

Rated 3 out of 5 stars (5)
194 users

Monterail Full Dark Requires Restart

Monterail Full Dark, a Thunderbird theme inspired by the mockup of Monterail

Rated 5 out of 5 stars (18)
16 users

Enhanced Date Formatter Requires Restart

Configure the 'Date' and 'Received' columns and displayed date in the message pane using custom formats. You can even use different date formats for emails with today's date, yesterday's date, dates in the last week, or dates older than a week.

Rated 4 out of 5 stars (12)
17 users

ansitel Click-to-Dial

This plugin will call a selected number by clicking the right mouse button.

Rated 5 out of 5 stars (1)
78 users

BorderColors D

Shows a colorful border around the "New Message" window, so you can tell different identities apart.

Builds on the original BorderColors and the "GT" version, adding different border styles.

Rated 4 out of 5 stars (34)
7,472 users

Secure Addressing Plus Requires Restart

Fork of "Secure Addressing" addon by Hiroya Matsuba with some added features.
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This add-on provides features to avoid sending emails to wrong addresses. Key features are a confirmation window of recipient addresses upon sending.

Not yet rated
1 user

marked-lightning

Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.

Rated 5 out of 5 stars (3)
47 users

Console messaging example

Console messaging example add-on

Not yet rated
2 users

TaskDescriptions

Thank you to like this add-on up to now.
TaskDescriptions end in Thunderbird version 78s.

Now on, I start development of independent window entity programs.

August 01st 2021.

Sungho.

Not yet rated
7 users

Header Tools Improved

Allows to modify headers and source of messages

Rated 5 out of 5 stars (37)
2,372 users