InNeedOfRefactor: should be merged into MozillaThunderbirdNotes once that page is new-markup-ified

Some extensions recommended by various people. Right click and save as to install these, because if you use MozillaFirefox it assumes it is an extension for itself.

DrewBroadley recommends

Enigmail

OpenPGP message encryption and authentication. Requires Platform-Specific Enigmime extension, http://enigmail.mozdev.org

Forumzilla

Forumzilla is an extension to Thunderbird and Mozilla Mail for reading news and blog feeds (all flavors of RSS plus Atom). It lets you read feeds using the familiar three-pane mail interface.

No New Window on Double Click

Prevents Thunderbird from opening a new window when you double click a folder.