Message Composition

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ThunderPEC Requires Restart

ThunderPEC semplifica la gestione della Posta Elettronica Certificata (PEC) e delle comunicazioni PCT e FatturaPA in Thunderbird.

Rated 5 out of 5 stars (11)
23,143 users
Updated May 16, 2018

pCloud for Thunderbird Requires Restart

Easily send large attachments with Thunderbird without leaving your email!

Not yet rated
6 users
Updated May 16, 2018

Flex Confirm Mail Requires Restart

Confirm mail address and attachments based on flexible rules.

Rated 3 out of 5 stars (3)
14,294 users
Updated May 8, 2018

Stop Ignoring Reply:To Requires Restart

Default "Reply" functionality pays attention to "Reply-To" in original email

Rated 5 out of 5 stars (7)
181 users
Updated May 8, 2018

X-Unsent support Requires Restart

Adds support for the X-Unsent header.

Rated 4 out of 5 stars (3)
341 users
Updated May 5, 2018

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)
1,646 users
Updated May 4, 2018

Tategaki Requires Restart

Tategaki allows vertical writing-mode on mail compose window.

Not yet rated
30 users
Updated May 3, 2018

Emoji Requires Restart

Add emojis to your e-mails.

Rated 5 out of 5 stars (10)
8,339 users
Updated May 2, 2018

Attach from Clipboard Requires Restart

Create file attachments directly from the system clipboard.

Rated 5 out of 5 stars (6)
1,887 users
Updated May 2, 2018

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 (52)
16,231 users
Updated May 1, 2018

Automatic Dictionary

Remembers the language you use with a person or group of people, and switches the spellchecker language automatically for you next time. You do not have to do it manually any more. It remembers and switches it for you.

Rated 5 out of 5 stars (34)
4,277 users
Updated April 24, 2018

CategoryManager 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 (9)
3,246 users
Updated April 22, 2018

Single Domain

Warns if you send mail from or to a specified domain. If there are multiple accounts in your profile, you can isolate one so that you can't send mail to that domain from outside or vis versa without warning.

Rated 5 out of 5 stars (1)
258 users
Updated April 12, 2018

Send Later Button Requires Restart

A simple button to invoke the (already existing) send later functions.

Rated 5 out of 5 stars (1)
4,742 users
Updated April 11, 2018

ThunderHTMLedit Requires Restart

Thunderbird HTML editor. This add-on adds a HTML tab to the composition window where you can see and edit the HTML source of the message.

Rated 5 out of 5 stars (7)
3,131 users
Updated April 11, 2018

Send Later Requires Restart

True "Send Later" functionality to schedule the time for sending an email.

Rated 5 out of 5 stars (114)
66,089 users
Updated April 5, 2018

IMAP Draft Unread Requires Restart

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!!

Rated 3 out of 5 stars (1)
379 users
Updated March 20, 2018

Auto Resize Image Requires Restart

Resizer for inline and attachment images (JPEG, PNG, BMP and GIF image formats).
All platforms are supported (Windows, Linux and Macintosh).

Rated 4 out of 5 stars (30)
15,001 users
Updated March 12, 2018

Asciidoctor for Thunderbird Requires Restart

Type some text in your mail's body, hit the asciidoctor button and transform your mail into a pretty html5 asciidoctor document. Font awesome and code highlighting are enabled.

Rated 5 out of 5 stars (1)
54 users
Updated March 12, 2018

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 (41)
1,279 users
Updated Feb. 14, 2018