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TMS Bulk SMS
Requires Restart
Send SMS text messages directly from Thunderbird, without using a tethered phone! Integrates with Thunderbird's Address Book and allows SMS mailing lists for quick and easy bulk or individual messaging. Uses Flash Media Group's SMS service.
replyTo
Requires Restart
Adds a menuitem to the Mail context Menu to Reply to a different Mailadress
TheRealURL
Requires Restart
Get URL information: expand short URLs, get title and content type information without visiting the site.
UPDATE, AUG 2013: THIS EXTENSION IS NO LONGER SUPPORTED. The source is open - if you wish to take on the development, you're welcome.
Trueblock Plus
Requires Restart
Trueblock Plus is a fork of the Adblock Plus extension for blocking unwanted advertisements on the web. This fork provides the exact same features as Adblock plus, with the unpopular, unwanted "acceptable ads" (non-)feature turned off by default.
Alphanumerator
Requires Restart
Convert alphanumeric phone numbers to just numbers. Simply highlight the text, right-click it, and click "Alphanumerate". For example, 1-800-PICK-UPS would be converted to...
Zhong Wen
Requires Restart
Mouse over a Chinese character to find out it's meaning. A popup will appear showing the 'Pinyin' pronunciation, the simplified character form, and the English translation. You can customize what parts to show on the preferences window.
Signature Fixer
External Email Alert
Requires Restart
Alerts user to confirm that it is ok to send an external email.
LDAP - View Groups Members
Requires Restart
Allow the user to view the members of the LDAP directories in the addressbook
Autohide Folders panel
Requires Restart
Extension automatically hides the folders panel. The folder panel can be seen by placing the mouse pointer in the left corner of the window or by Accel-1 shortkey.
BccBlocker
Requires Restart
A ThunderBird extension to prevent the use of the Bcc field.
Bcc is the worst thing ever.
It kills transparency inside an organization.
If you use the Bcc feature, you should ask yourself why..
Identity Checker
Requires Restart
This add-on checks to sender identity when send a message.
SmtpSwitch
Requires Restart
SmtpSwitch allows to choose the smtp server when clicking on the 'Send' button.
random(signature)
XPCOMViewer
Lovebird
Reply To All Reminder
Requires Restart
Asks for confirmation when "Reply" instead of "Reply to All" is pressed on an email with multiple recipients.
Contact DnD
Requires Restart
Enables one to assign a photo to a contact by dragging and dropping it from the local filesystem.
DontPhishMe
Requires Restart
DontPhishMe is an Anti-Phishing addon for Mozilla Firefox which utilizes the pattern matching techniques to provide the Malaysian Internet user with information and notification to protect them against online banking phishing website.
Channel Guard
Requires Restart
Channelguard disables plugins and protocol handlers to ensure maximum security against side-channel attack.
To create your own collections, you must have a Mozilla Add-ons account.
