Message Composition

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changeQuote

It's an extension that changes the format of reply header.
You can choose between the standard Thunderbird reply header, a detailed reply header or a Customized reply header.
You can configure it in the Tools ->Add-on Preferences -> changeQuote.

Rated 4 out of 5 stars (27)
1,794 users

regimail

AddOn for sending regimail with Thunderbird on Windows, MacOS and Linux.

*IMPORTANT:*
In order to use this AddOn, you need to install the regify client on your system and configure it with a valid regify account.

Not yet rated
15 users

Google Messages Tab

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

Rated 4 out of 5 stars (7)
469 users

smartCompose

A smart Plugin which provides functionalities to compose emails.

Not yet rated
5 users

Unicodify – Text transformer

Easily and quickly transform text to “Unicode fonts” and change the casing.

Rated 5 out of 5 stars (3)
463 users

Notebird

Prendi appunti su tutte le email!

Rated 3 out of 5 stars (2)
130 users

Strip inline images

Adds a button to the compose window to remove inline images from messages. The images are replaced with their filename in angled brackets.

This is helpful when replying to long message threads with lots of embedded images.

Rated 5 out of 5 stars (3)
153 users

CloneMessage

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

Rated 5 out of 5 stars (1)
141 users

ReplyAsOriginalRecipientUp

When you reply to a mail sent to your personalized address (postfix/qmail/gmail extensions) such as john.doe+contactname@example.com, "From:" is replaced by your personalized address rather than your simple address.

Rated 4 out of 5 stars (12)
971 users

Seafile Filelink

A FileLink provider

With it you can store attachments on a seafile share

Rated 4 out of 5 stars (3)
133 users

RepSel: Reply to all selected mails

Reply to all selected messages with a single button press. E.g., compose a reply to all emails in a folder or those matching a search. Req. permissions: menues to add UI, messageRead to get sender, compose to add recipients, storage for settings.

Rated 4 out of 5 stars (3)
98 users

Grammar, Proofreading & Spell Checker

Check the grammar and spelling directly inside Thunderbird using Wordeep technology

Rated 4 out of 5 stars (4)
724 users

Recently

Recently is a small Mozilla Thunderbird extension for having the most recent contacts at hand

Not yet rated
58 users

composeSelectMacro

定型文4つ保存しておいて、メールを作成する時にそのテキスト文を挿入できるツールです
You can prepare four fixed phrases, select them when composing an email, and insert them in the body of the email.

Not yet rated
43 users

Reply with subaddress

Reply to a message that was sent to a subaddess with the same address.

Example: Your primary email is tim@mymail.tld, you receive a mail to the subaddress tim+mailinglists@mymail.tld, the sender of replies is set to tim+mailinglists@mymail.tld.

Rated 3 out of 5 stars (3)
63 users

AddAccents

This extension allows you to easily insert accented characters as you type in firefox or thunderbird. It is similar to abctajpu (no longer supported). With the default settings, simply press "e" followed by "\" to insert "é" "a\" to insert "à" etc...

Rated 5 out of 5 stars (3)
181 users

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

Rated 3 out of 5 stars (1)
38 users

Open in XPS | XPSLogic

U kunt met deze extensie tickets en taken openen door middel van de knop open in XPS

Er moet wel eerst een client worden ingevuld dit kunt u invullen onder opties

Not yet rated
4 users

Contact Finder

Autocomplete a list of contacts when sending a message by searching their name in the address book.

Not yet rated
351 users

External Editor Revived

Edit emails in external editors such as Vim, Neovim, Emacs, etc.

Rated 5 out of 5 stars (8)
348 users