The header scroll extension for Thunderbird is an addon that improves the extended header view by adding a scrollbar to it. This allows users to view and access headers more easily without having to navigate through lengthy emails.
One thing to note is that the Header Scroll extension for Thunderbird only works with the ToggleHeaderButton. To use this extension, you'll need either Mnenhy or Enigmail installed, and Thunderbird version 1.0 or later.
Overall, the Header Scroll extension for Thunderbird is a useful tool for anyone who wants to view all headers without taking up too much screen space. If you're a heavy Thunderbird user, give it a try and see how it can benefit you!
Version 0.3.2: N/A