Welcome to Thunderbird Add-ons.
Add extra features and styles to make Thunderbird your own.Close
Rated 1 out of 5 stars
Looks promising, but doesn't work for web development.
It picks up the headers, but you can't view the headers in the original text format. Also, if you have body content that's non-html/rest, you can't view that either, even it if it's text.