Message Composition

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Automatic Dictionary No Restart

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 (21)
2,691 users
Updated September 19, 2015

Reply to All as Cc

Send a reply for recipients as CC except the sender, when you do "Reply to All".

Rated 4 out of 5 stars (3)
363 users
Updated September 15, 2015

Sensitivity Header

Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
This allows the user to select Private / Personal / Company-Confidential (or none) for an outgoing message.

Rated 4 out of 5 stars (1)
51 users
Updated September 11, 2015

Markdown Here

Write your email in Markdown, then make it pretty.

Rated 4 out of 5 stars (18)
8,311 users
Updated September 7, 2015

RemindIt No Restart

Help in reminding mails to be answer or sent again. Choose a reminder date for each received or send message that are highlighted in the message list, depending on their status (expired, soon to exprire, to be reminded). Sending a reminder is eased.

Rated 3 out of 5 stars (16)
296 users
Updated August 27, 2015

AFP protocol enabler No Restart

Enable afp protocol (afp://)

Not yet rated
18 users
Updated August 11, 2015

Stationery

Extension to mimic Outlook Express Stationery.
Allow you to use HTML files as templates for mail. Also allow custom template in replies or forwarded mail!

Rated 4 out of 5 stars (108)
37,365 users
Updated July 9, 2015

Extra Format Buttons

Adds a font size (in pixels), strikethough, subscript and superscript buttons to Thunderbird's Compose Window.

Rated 5 out of 5 stars (8)
5,058 users
Updated June 28, 2015

Flexible Identity

Selects an identity based on the recipients list when sending an email

Rated 4 out of 5 stars (24)
1,613 users
Updated June 16, 2015

Insert Link from Local File

Inserts links from local files via drag and drop on the composition window.

Rated 3 out of 5 stars (3)
381 users
Updated June 11, 2015

Rage Hoye

Prevents you from sending offensive mails based on a keyword list

Not yet rated
3 users
Updated May 25, 2015

Path Linker

メール本文中のファイルパスっぽいものをリンク化して関連付けで開けるようにします

Not yet rated
25 users
Updated April 13, 2015

CodeHighlight

highlight code in email.

Rated 3 out of 5 stars (1)
71 users
Updated December 10, 2014

Transliterator No Restart

As-you-type phonetic conversion of text from one alphabet to another, as well as transliteration/detransliteration of selected text anywhere within documents. Supports multiple languages and custom transliteration schemes.

Rated 5 out of 5 stars (77)
6,258 users
Updated December 9, 2014

Synnefo for Filelink

Add Synnefo support to Thunderbird's Filelink feature.

Not yet rated
5 users
Updated December 7, 2014

Posting Style Enforcer

Automatically converts top-posted messages to use bottom-positng or vice versa. Interleaved posts are left alone. Detects automatically added text and supports a per-contact list of exceptions.

Rated 5 out of 5 stars (3)
56 users
Updated November 7, 2014

Email signature for Thunderbird - WiseStamp

Switch Thunderbird email signatures. Supports Gmail, Yahoo, AOL & Outlook webmails. Youtube, Facebook, Twitter icons & more

Rated 4 out of 5 stars (2)
4,136 users
Updated November 4, 2014

Macro Template No Restart

Macro Template is to replace mail templates with macros for date formatting.

Rated 5 out of 5 stars (1)
369 users
Updated August 4, 2014

Consigna para Filelink

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)
703 users
Updated July 24, 2014

tuneMDNDSN

fix behavior of notifications checkboxes in compose window when editing msg as new

Not yet rated
21 users
Updated July 11, 2014