Add-ons
Message Composition
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HtmlHighlightr
Requires Restart
Provides source code highlighting in editor's "Insert HTML" dialog.
~okeanos for Filelink
Requires Restart
Add ~okeanos support to Thunderbird's Filelink feature.
replyTo
Requires Restart
Adds a menuitem to the Mail context Menu to Reply to a different Mailadress
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.
Patch to Alert Invalid Addresses
Requires Restart
Shows alert if there is any invalid address in sending message.
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
Inbox Cleaner of expired Emails
Requires Restart
Moves expired Emails out of your Inbox!
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.
nomapi
Smart Quotes
Requires Restart
Enables “Smart” Quotes for Thunderbird Email
Lovebird
Requires Restart
Email organized around the people you care about.
random(signature)
Requires Restart
Updates a given signature file in regular intervals.
FastCC
Requires Restart
A Thunderbird extension that let you switch to cc: with the ALT+CTRL+C keyboard shortcut!
Get before Send
Requires Restart
Get messages for the account which is bound to the identity then send the message when you click the toolbar button or the menu item. If your SMTP sever authenticates using POP(IMAP) before SMTP, the extension is useful.
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