Insert Link from Local File Requires Restart
Inserts links from local files via drag and drop on the composition window.
Reply to All as Cc Requires Restart
Send a reply for recipients as CC except the sender, when you do "Reply to All".
MultiLDAP2 Requires Restart
Based on TrustedBird/MiliMail work. Patched to work with lastest Thunderbird.
Permits to use several LDAP directories simultaneously for address autocompletion.
random(signature) Requires Restart
Updates a given signature file in regular intervals.
replyTo Requires Restart
Adds a menuitem to the Mail context Menu to Reply to a different Mailadress
Macro Template is to replace mail templates with macros for date formatting.
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!!
Send and Archive Requires Restart
Adds a button to send an email and archive the original message.
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.
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.
MultiTemplateLoader Requires Restart
Manages & applies multiple HTML templates when creating/replying messages.
Templates may be either local files or online links (http:// or ftp://). Up to 9 templates can be defined and easily switched, also using shortcut keys.
Single Domain Requires Restart
Warns if you send mail from or to a specified domain. If there are multiple accounts in your profile, you can isolate one so that you can't send mail to that domain from outside or vis versa without warning.
X-Unsent support Requires Restart
Adds support for the X-Unsent header.
Reply As Original Recipient Requires Restart
Reply with the From: field set to the To: field from the original email.
Reply To All Reminder Requires Restart
Asks for confirmation when "Reply" instead of "Reply to All" is pressed on an email with multiple recipients.
FastCC Requires Restart
A Thunderbird extension that let you switch to cc: with the ALT+CTRL+C keyboard shortcut!
SMTP Switch Reborn Requires Restart
HtmlHighlightr Requires Restart
Provides source code highlighting in editor's "Insert HTML" dialog.
Smart Quotes Requires Restart
Enables “Smart” Quotes for Thunderbird Email