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SmartTemplates Featured

SmartTemplates offers an easy and powerful way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every mail identity, Stationery files can now be imported and used directly.

Rated 4 out of 5 stars (81)
3,790 users

Account Colors Requires Restart

Associates user-defined colors with POP3/IMAP accounts and identities. Applies these colors to accounts, identities, folders, message list, message headers and compose headers. Users will always know which accounts/identities they are working with.

Rated 4 out of 5 stars (174)
3,147 users

FlexConfirmMail

Confirm mail address and attachments based on flexible rules.

(This project was renamed from "Flex Confirm Mail" to "FlexConfirmMail", due to a branding reason.)

Rated 4 out of 5 stars (11)
22,324 users

Color Text Compose Buttons Requires Restart

Adds Text Color Buttons in Compose Toolbar and More: Pixel FontSize, Strikethough, Sub & Superscript, Lower & UpperCase. Also provide Tools: Insert iframe, Launch MathType, Maths & Greek Symbols, Load Template Variables and Duplicate Compose Window.

Rated 4 out of 5 stars (23)
105 users

WebDAV for Filelink Requires Restart

Adds the possibility to use a WebDAV store for Filelink. With this extension you can link attachments to a WebDAV service, for example as provided by Apache's mod_dav or some public services.

Rated 4 out of 5 stars (21)
67 users

Tategaki Requires Restart

Tategaki allows vertical writing-mode on mail compose window.

Rated 5 out of 5 stars (1)
2 users

dwMailCopy Requires Restart

This add-on is help for create the mail division. This add-on is converting to "(2/5)" from the string "(1/5)" in E-mail subject, after copy the mail. After now, Will be freed from onerous copy-paste work.

Not yet rated
2 users

Compose for Thunderbird Requires Restart

THIS ADDON IS UNMAINTAINED, SEE BELOW.

Compose messages the new hip way! Allows you to compose in a tab with a new editor and an improved autocomplete.

Rated 3 out of 5 stars (51)
0 users

Don't Send Linked Files Requires Restart

Prevents sending of linked files if they are file: URLs.

Rated 1 out of 5 stars (1)
0 users

LastColour Requires Restart

Colour your text to the "last-picked" colour you chose in the colour-picker. Now you don't have to use the colour picker every time.

Rated 4 out of 5 stars (6)
6 users

dwEasySubject Requires Restart

When you enter a destination, you are editing incomplete address, mailer help you compensate last word by use auto-complete. However, Subject is not used auto-complete. it is enter easy by auto-complete subject line choice sent in the past.

Rated 4 out of 5 stars (4)
3 users

NoComposeAccount Requires Restart

Have the option of Thunderbird always using the default sender account or a blank account when composing or replying to messages

Rated 4 out of 5 stars (16)
106 users

Previous Colors

Quickly choose one of the previously selected colors for a message text

Rated 5 out of 5 stars (8)
1,644 users

CloneMessage

When composing an email, CloneMessage allows you to duplicate the current state of the email.

Rated 5 out of 5 stars (1)
140 users

smartCompose

A smart Plugin which provides functionalities to compose emails.

Not yet rated
7 users

Text Insert: Templates/Instant Spell Check

Email composer:

*Upper case the first letter of nouns, names, or words at sentence start
*Android(TM) like spellcheck/suggest alternatives (DE, EN, ES, FR,NL)
*Insert styled text, images, tables with shortcuts
*Define shortcut-replacements.

Rated 3 out of 5 stars (7)
238 users

Nostalgy++/ Manage, search and archive emails

Shortcuts to move/copy/archive messages, with folder name completion.
Rules for moving messages to folders.
Automatic rules by statistical observation/ by folder of conversation/thread.
Search dialog in a tab, with message display /folder tree.

Rated 5 out of 5 stars (77)
3,407 users

Advanced Composer

Creates message templates with variable support, quote header in Ms Outlook style, signatures, custom attachment info for cloud files, and more.

Rated 4 out of 5 stars (9)
435 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)
7,659 users