Emoji Menu Requires Restart
Adds the ability to easily insert emojis into your composed messages in Thunderbird.
Upload large attachments to your Cloud and send the link by email
Uploads your large attachments to your Box instead of sending them by email.
Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.
Grammar Checker Requires Restart Featured
Checks grammar using LanguageTool.
Toggle Word Wrap Requires Restart
Toggle word wrapping and <PRE> element wrapping in the message composition and HTML display windows, respectively. Based on original version by Kaspar Brand.
Rage Hoye Requires Restart
Prevents you from sending offensive mails based on a keyword list
Reply to Multiple Messages Requires Restart
Add menu commands for replying to multiple messages at the same time.
HtmlHighlightr Requires Restart
Provides source code highlighting in editor's "Insert HTML" dialog.
Tategaki Requires Restart
Tategaki allows vertical writing-mode on mail compose window.
nomapi Requires Restart
not a mapi plugin
SmilieInserter Plus Requires Restart
Insert smilies in messages.
Custom Sender Address and Reply Requires Restart
Select sender mail address based on the recipient and reply with the same address
SendToSecondEmail Requires Restart
This Extension lets you send Mails to both, first and second email address...
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)
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.
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
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.
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.
TarotSignature Requires Restart
This version provides a custom button for the message composer.
You need to customize your toolbar of the message composer.
The signature is hard-coded into the source code.
The signature is NOT being inserted automatically on window-open.