MDN Extended is a Thunderbird extension that allows the recipient of an email to send a return receipt on message deletion, also known as MDN (Message Disposition Notification).
MDN Extended is an open source add-on designed to work with Mozilla Thunderbird 2.0 - 3.1.*.
How to Install in Thunderbird:
1. Right-click the link below and choose "Save Link As..." to download and save the file to your hard disk.
2. In Mozilla Thunderbird, open Add-ons from the Tools menu.
3. Click the Install button, and locate/select the file you downloaded and click "OK".
- Added Thunderbird 3.1 compatibility.