Message Composition

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Check and Send Requires Restart

Check the message contents and addresses before you send the message...

Rated 4 out of 5 stars (30)
10,865 users
Updated May 8, 2017

EnForward Requires Restart

Save your email into Evernote by forwarding it to Evernote email address.
Before you use it, you need to specify your Evernote email address (see the screenshot).

This function can be invoked by "Forward to Evernote" in the context menu.

Rated 4 out of 5 stars (6)
1,807 users
Updated April 29, 2017

Copy Message ID Requires Restart

Adds a button to the message view toolbar to copy the message ID to the clipboard. This is useful when sending email replies via the command line.

Not yet rated
48 users
Updated April 13, 2017

DL for Thunderbird Requires Restart

Allows to convert large attachments to links automatically without 3rd party providers.

Rated 5 out of 5 stars (4)
1,673 users
Updated April 12, 2017

Flex Confirm Mail Requires Restart

Confirm mail address and attachments based on flexible rules.

Rated 3 out of 5 stars (2)
11,975 users
Updated April 6, 2017

Grammar Checker Requires Restart

Checks grammar using LanguageTool.

Rated 3 out of 5 stars (5)
2,681 users
Updated March 31, 2017

SendToSecondEmail Requires Restart

This Extension lets you send Mails to both, first and second email address...

Rated 4 out of 5 stars (2)
36 users
Updated March 19, 2017

Emoji Menu Requires Restart

Adds the ability to easily insert emojis into your composed messages in Thunderbird.

Rated 4 out of 5 stars (7)
4,974 users
Updated February 19, 2017

SmartTemplate4 Requires Restart

SmartTemplate4 offers an easy way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every account as well as for the default (all email accounts). Also supports the Stationery Add-on.

Rated 5 out of 5 stars (50)
16,533 users
Updated January 23, 2017

X-Unsent support Requires Restart

Adds support for the X-Unsent header.

Rated 3 out of 5 stars (2)
212 users
Updated December 13, 2016

Edit Message Encoding Fallback Requires Restart

Fallback to a safe encoding, if you are replying to a message with unsupported encoding like UTF-16LE. (workaround for the Bug 961983)

Not yet rated
21 users
Updated December 7, 2016

Consigna para Filelink Requires Restart

Plugin para subir ficheros a Consigna (Junta de Andalucía) de forma automática desde Thunderbird.
Está ideado para el intercambio de ficheros de gran tamaño. Es un espacio de almacenamiento temporal y con algunas restricciones de acceso opcionales.

Rated 3 out of 5 stars (2)
1,142 users
Updated October 23, 2016

Attach from Clipboard Requires Restart

Create file attachments directly from the system clipboard.

Rated 4 out of 5 stars (3)
998 users
Updated October 18, 2016

Reply As Original Recipient Requires Restart

Reply with the From: field set to the To: field from the original email.

Rated 5 out of 5 stars (2)
182 users
Updated October 18, 2016

CategoryManager 2 Requires Restart

Category manager for Thunderbird contacts, also allows to send an email to all members of a category (categories can be used as contact groups).

Rated 5 out of 5 stars (8)
3,069 users
Updated October 16, 2016

Reply To All Reminder Requires Restart

Asks for confirmation when "Reply" instead of "Reply to All" is pressed on an email with multiple recipients.

Not yet rated
201 users
Updated October 9, 2016

MultiLDAP2 Requires Restart

Based on TrustedBird/MiliMail work. Patched to work with lastest Thunderbird.
Permits to use several LDAP directories simultaneously for address autocompletion.

Rated 5 out of 5 stars (1)
389 users
Updated October 4, 2016

Colored Recipient Type Requires Restart

Customize background-color of the recipient address fields for each recipient types of To:, Cc:, Bcc:.Customize background-color of the recipient address fields for each recipient types of To:, Cc:, Bcc:.

Rated 4 out of 5 stars (3)
545 users
Updated September 23, 2016

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)
49 users
Updated August 25, 2016

AVIM Requires Restart

Vietnamese-language input method editor (IME). Type diacritics directly into any Web page, Web app, or dialog box. Convenient, comprehensive, secure.
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Bộ gõ tiếng Việt cho phép đặt dấu trực tiếp vào bất kỳ trang Web, ứng dụng Web, hộp thoại.

Rated 5 out of 5 stars (34)
1,952 users
Updated August 1, 2016