Michael Buschbeck

Sync On Arrival is a Thunderbird extension that instantly downloads new message headers as soon as fresh items are detected on the server.

Unselect Message is an add-on for Thunderbird that stops the program from automatically selecting the next message once you've deleted the current one.

Sync On Arrival is an add-on for ThunderBird which enables immediate download of new message headers. With this software, users can have access to their emails without delay as it downloads the contents instantly.

"Prevent another message from being selected in ThunderBird with Unselect Message, a useful add-on." (19 words)