Message Composition

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random(signature) Requires Restart

Updates a given signature file in regular intervals.

Rated 4 out of 5 stars (50)
12 users

EasyRight2Left Requires Restart

Change direction from Left to Right and Right to Left for Persian, Arabic, Hebrew etc. This Thunderbird extension is based on ComposeRTF available in https://addons.thunderbird.net/en-US/thunderbird/addon/composertf/

Rated 5 out of 5 stars (2)
11 users

Resubmit Requires Restart

(Re)submit multiple messages to a predefined recipient(s)

Rated 5 out of 5 stars (3)
9 users

Highlight External Addresses Requires Restart

This extension helps to warn the user when composing a message to a mixed group of people both in and out of the sender's organization. External addresses are highlighted in orange as a reminder.

Rated 4 out of 5 stars (2)
9 users

Replaceholder

Replace placeholders with date and time as you type.
入力画面の件名、本文内の各プレースホルダを日時や曜日等の文字列に置換します。

Rated 2 out of 5 stars (1)
8 users

Tategaki Requires Restart

Tategaki allows vertical writing-mode on mail compose window.

Rated 5 out of 5 stars (1)
7 users

replyTo Requires Restart

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

Rated 4 out of 5 stars (10)
6 users

CodeHighlight Requires Restart

highlight code in email.

Rated 3 out of 5 stars (1)
6 users

Smart Quotes Requires Restart

Enables “Smart” Quotes for Thunderbird Email

Rated 4 out of 5 stars (3)
5 users

HtmlHighlightr Requires Restart

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

Rated 5 out of 5 stars (1)
4 users

Check Attachment before Send Requires Restart

Confirms to send a mail with any attachment.

Rated 5 out of 5 stars (1)
4 users

Patch to Alert Invalid Addresses Requires Restart

Shows alert if there is any invalid address in sending message.

Rated 1 out of 5 stars (1)
4 users

Asciidoctor for Thunderbird Requires Restart

Type some text in your mail's body, hit the asciidoctor button and transform your mail into a pretty html5 asciidoctor document. Font awesome and code highlighting are enabled.

Rated 5 out of 5 stars (1)
3 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)
2 users

~okeanos for Filelink Requires Restart

Add ~okeanos support to Thunderbird's Filelink feature.

Rated 1 out of 5 stars (1)
2 users

Copiar Assunto Requires Restart

Adiciona um botão para copiar o Assunto do email selecionado para a área de transferência

Add a button to copy the Subject line of the selected email to the clipboard

Not yet rated
2 users

Lovebird Requires Restart

Email organized around the people you care about.

Rated 3 out of 5 stars (3)
2 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)
1 user

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
1 user

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