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Emoji

Add emojis to your e-mails.

Rated 4 out of 5 stars (51)
25,242 users
Updated Oct. 21, 2022

Simple Mail Redirection

Allows you to resend (also known as redirect) email messages.
Uses 'cardbook' if installed

Bases on the add-on 'Mail Redirect' by Onno Ekker and Pawel Krzesniak

Please see the support page on how to use and why it sometimes does not work!

Rated 5 out of 5 stars (24)
8,743 users
Updated Oct. 15, 2022

Netiquette checker and wrapper

RFC 1855 compatible as well as Epita compatible.

This Addon provide a mail checker and an auto 72 column wrapper.
What is checked:
- Subject
- Greeting
- Body
- Salutation
- Quoting
- Signature

Not yet rated
21 users
Updated Sept. 29, 2022

Telegram Web in Thunderbird

Open Telegram Web in Thunderbird

Rated 5 out of 5 stars (1)
346 users
Updated Sept. 25, 2022

WhatsApp Web in Thunderbird

Open WhatsApp Web in Thunderbird

Rated 4 out of 5 stars (5)
975 users
Updated Sept. 17, 2022

Auto-Mark Folder Read

New messages can be automatically marked as read in common folders (e.g. spam, trash, drafts, templates).

Rated 5 out of 5 stars (3)
168 users
Updated Aug. 16, 2022

WhatsApp - Thunderbird

Adds browser action icon to toolbar to open WhatsApp.

Not yet rated
163 users
Updated July 5, 2022

Open in browser

A context menu item to open the links associated with feed items in the default browser and then mark them as read.

Rated 5 out of 5 stars (1)
196 users
Updated June 21, 2022

AutoarchiveReloaded Featured

Automatically archives old mails (Improved version of the orginal Autoarchive Add-on)

Rated 4 out of 5 stars (21)
19,715 users
Updated Feb. 27, 2022

Google Chat Tab

Open Google Chat in a Thunderbird Tab

Rated 4 out of 5 stars (4)
1,197 users
Updated Sept. 27, 2021

skypewebapp

Adds browser action icon to toolbar to open Skype. See https://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/04/skype/

Rated 2 out of 5 stars (1)
31 users
Updated Sept. 6, 2021

telegramwebapp

Adds browser action icon to toolbar to open Telegram. See https://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/04/telegram-button/

Rated 3 out of 5 stars (2)
167 users
Updated Sept. 6, 2021

Google Messages Tab

Adds a button to open Google Messages in a new tab.

Rated 5 out of 5 stars (3)
414 users
Updated July 31, 2021

Disable Signature Requires Restart

Allows to disable the S/MIME signature of messages. Afterwards, these messages are no longer recognized as signed and their attachments can be deleted or detached.

Rated 5 out of 5 stars (1)
10 users
Updated July 25, 2020

QFO - Quick Fuck Off Requires Restart

This extension serves the purpose of providing instant access to the FOAAS web service. FOAAS (Fuck Off As A Service) provides a modern, RESTful, scalable solution to the common problem of telling people to fuck off.

Rated 4 out of 5 stars (2)
12 users
Updated Jan. 24, 2019

CIX Forums Requires Restart

Open CIX Forums in Thunderbird. Free CIX accounts from https://forums.cix.co.uk/signUp.aspx?p=cixbasic

Rated 5 out of 5 stars (1)
0 users
Updated June 21, 2017

teclib' Protocol Requires Restart

Assists to setup a chat account for teclib'.

Not yet rated
1 user
Updated March 30, 2016

manoderecha Requires Restart

Assists to setup a chat account for manoderecha

Not yet rated
0 users
Updated Aug. 23, 2015

Notificaciones de chat

Muestra una notificación cuando se recibe un mensaje de chat.

Not yet rated
0 users
Updated Aug. 19, 2015

RadioGNU Protocol Requires Restart

Assists to setup a chat account for RadioGNU

Not yet rated
0 users
Updated April 15, 2015