Add-ons
Message Composition
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Kmaleon Extension
Requires Restart
Con esta extensión podrás hacer una copia de tus emails en el programa kmaleon.
Flexible Identity
Requires Restart
Selects an identity based on the recipients list when sending an email
CodeHighlight
MultiTemplateLoader
Requires Restart
THIS ADD-ON IS OFFICIALLY ABANDONED
(there will be no more updates, I can't keep up with the changes in Thunderbird).
Manages & applies multiple HTML templates when creating/replying messages.
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.
Reply to All as Cc
Requires Restart
Send a reply for recipients as CC except the sender, when you do "Reply to All".
Sensitivity Header
Requires Restart
Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
This allows the user to select Private / Personal / Company-Confidential (or none) for an outgoing message.
No longer maintained: See below.
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.
DL for Thunderbird
Requires Restart
Allows to convert large attachments to links automatically without 3rd party providers.
Use BCC Instead C
Requires Restart
This addon prevents you accidentally sending an email to a large number of recipients without hiding their addresses from each other by using BCC. It is for TBv68.
IT WILL NOT BE UPDATED FOR TBv78.
Try my addon 'Limit non-BCC recipients'
AutoCopy_rebirth
Requires Restart
Lightweight add-on that automatically copies any highlighted text to clipboard.
Address bulk copy （アドレス一括コピー）
Requires Restart
Thunderbird は Outlook のようにアドレス全選択からの「一括コピー」ができません。
それを実現するためのアドオンです。
QFO - Quick Fuck Off
Requires Restart
This extension serves the purpose of providing instant access to the FOAAS web service. FOAAS (Fuck Off As A Service) provides a modern, RESTful, scalable solution to the common problem of telling people to fuck off.
SMTP Switch Reborn
Auto Resize Image
Requires Restart
Resizer for inline and attachment images (JPEG, PNG, BMP and GIF image formats).
All platforms are supported (Windows, Linux and Macintosh).
MEGAbird
Requires Restart
Add MEGA support to Thunderbird's Filelink feature.
Stationery
Requires Restart
Extension to mimic Outlook Express Stationery.
Allow you to use HTML files as templates for mail. Also allow custom template in replies or forwarded mail!
Reply As Original Recipient
Requires Restart
Reply with the From: field set to the To: field from the original email.
Don't Send Linked Files
Requires Restart
Prevents sending of linked files if they are file: URLs.
Custom Address Sidebar
Requires Restart
Allow you to help address sidebar more useful.
To create your own collections, you must have a Mozilla Add-ons account.
