Message Composition

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Emoji Menu

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

Rated 5 out of 5 stars (5)
3,922 users

DL for Thunderbird

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

Rated 5 out of 5 stars (3)
2,042 users

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)
62 users

ReplyWithHeader

Outlook style headers and few goodies for Thunderbird & Postbox.

Rated 4 out of 5 stars (5)
641 users

Get before Send

Get messages for the account which is bound to the identity then send the message when you click the toolbar button or the menu item. If your SMTP sever authenticates using POP(IMAP) before SMTP, the extension is useful.

Rated 5 out of 5 stars (2)
1,430 users

Flexible Identity

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

Rated 4 out of 5 stars (24)
1,850 users

PennyPost

This extension makes it very easy to generate and attach stamps to outgoing mail. It also automatically detects and verifies stamps on incoming emails. The MBound algorithm requires a 16MB fixed table to work, HashCash is more CPU intense.

Rated 5 out of 5 stars (3)
30 users

hubiC for Filelink

Add hubiC support to Thunderbird's Filelink feature.

Rated 4 out of 5 stars (11)
2,176 users

random(signature)

Updates a given signature file in regular intervals.

Rated 4 out of 5 stars (56)
477 users

Toggle Word Wrap

Toggle word wrapping and PRE element wrapping in the message composition and HTML display windows, respectively.

Rated 4 out of 5 stars (39)
7,855 users

SubSwitch

Simplify email categorization - it will be easier for you and others to manage mail. Define the set of prefixes for all emails you send or let SubSwitch to autodiscover it. While writing insert prefix to the title - choose one from your set.

Rated 4 out of 5 stars (6)
1,452 users

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)
428 users

BorderColors GT

How many time you sent an email from your wrong email address?
This add-ons allows you assign a different color to the compose window border for each of your email addresses. So you can immediately view from what account are you writing.

Rated 4 out of 5 stars (8)
4,909 users

Smart Quotes

Enables “Smart” Quotes for Thunderbird Email

Rated 5 out of 5 stars (2)
115 users

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)
348 users

mms Auto Correct

AutoCorrect for the Compose window.

Rated 3 out of 5 stars (31)
980 users

Macro Template No Restart

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

Rated 5 out of 5 stars (1)
434 users

FastCC

A Thunderbird extension that let you switch to cc: with the ALT+CTRL+C keyboard shortcut!

Rated 5 out of 5 stars (1)
156 users

SendToSecondEmail

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

Rated 5 out of 5 stars (1)
35 users

ThunderHTMLedit

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 (1)
303 users