Add-ons
Message Composition
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Reply to All as Cc
Requires Restart
Send a reply for recipients as CC except the sender, when you do "Reply to All".
HtmlHighlightr
Requires Restart
Provides source code highlighting in editor's "Insert HTML" dialog.
IMAP Draft Unread
Requires Restart
This is a Thunderbird addon that lets you customize the behavior of the IMAP draft unread messages. No more new mail notifications for your drafts!!
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.
PennyPost
Requires Restart
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.
Insert Link from Local File
Requires Restart
Inserts links from local files via drag and drop on the composition window.
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.
FlexConfirmMail
Confirm mail address and attachments based on flexible rules.
(This project was renamed from "Flex Confirm Mail" to "FlexConfirmMail", due to a branding reason.)
MALA Hindi Spell Checker by MCRPV, (Anurag Seetha)
Requires Restart
MALA (Makhanlal) Hindi Shabd Shodhak to check Spelling of Hindi Unicode Text by Makhanlal Chaturvedi National University of Journalism & Communication, Bhopal, India. Chief Developer - Dr. Anurag Seetha. The program is Released Under the GNU GPL V 3
replyTo
Requires Restart
Adds a menuitem to the Mail context Menu to Reply to a different Mailadress
Inbox Cleaner of expired Emails
Requires Restart
Moves expired Emails out of your Inbox!
CategoryManager
Category manager for Thunderbird contacts, also allows to send an email to all members of a category (categories can be used as contact groups).
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.
Macro Template
Macro Template is to replace mail templates with macros for date formatting.
Kmaleon Extension
Requires Restart
Con esta extensión podrás hacer una copia de tus emails en el programa kmaleon.
Ethical signature
Requires Restart
Add a button to the email composition toolbar, which lets you insert an ethical signature.
nomapi
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。
DL for Thunderbird
Requires Restart
Allows to convert large attachments to links automatically without 3rd party providers.
To create your own collections, you must have a Mozilla Add-ons account.
