Message Composition

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Owl for Exchange

Allows you to use your Exchange email accounts that use Outlook Web Access (OWA) with Thunderbird

Rated 5 out of 5 stars (10)
2,256 users

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)
53 users

Tategaki Requires Restart

Tategaki allows vertical writing-mode on mail compose window.

Rated 5 out of 5 stars (1)
38 users

Rage Hoye Requires Restart

Prevents you from sending offensive mails based on a keyword list

Not yet rated
0 users

HtmlHighlightr Requires Restart

Provides source code highlighting in editor's "Insert HTML" dialog.

Rated 5 out of 5 stars (1)
7 users

nomapi Requires Restart

not a mapi plugin

Not yet rated
0 users

SmilieInserter Plus Requires Restart

Insert smilies in messages.

Rated 4 out of 5 stars (24)
234 users

Reply to Multiple Messages Requires Restart

Add menu commands for replying to multiple messages at the same time.

Rated 5 out of 5 stars (7)
607 users

SendToSecondEmail Requires Restart

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

Rated 4 out of 5 stars (2)
4 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)
403 users

Posting Style Enforcer Requires Restart

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)
3 users

RemindIt

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 4 out of 5 stars (22)
368 users

Edit Message Encoding Fallback Requires Restart

Fallback to a safe encoding, if you are replying to a message with unsupported encoding like UTF-16LE. (workaround for the Bug 961983)

Not yet rated
2 users

Sensitivity Header + SPX Requires Restart

Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
Forked from another add-on developed by ff_bob, added SPX header for Sophos security appliances

Not yet rated
2 users

Attachemnt Encoding Detector Requires Restart

To detect file encoding of attachments, this forces to Thunderbird to use an encoding detector for a specific locale instead of the generic one.

Not yet rated
67 users

mms Auto Correct Requires Restart

AutoCorrect for the Compose window.

Rated 3 out of 5 stars (38)
85 users

Theme Quedox

Theme Quedox adventure. Mas información en la siguiente url. https://cruzdavid.com.

Not yet rated
0 users

Reply As Original Recipient Requires Restart

Reply with the From: field set to the To: field from the original email.

Rated 4 out of 5 stars (6)
343 users

BccBlocker Requires Restart

A ThunderBird extension to prevent the use of the Bcc field.

Bcc is the worst thing ever.
It kills transparency inside an organization.
If you use the Bcc feature, you should ask yourself why..

Not yet rated
1 user

replyTo Requires Restart

Adds a menuitem to the Mail context Menu to Reply to a different Mailadress

Rated 4 out of 5 stars (10)
20 users