Access to Google contacts and synchronize them with Thunderbird address books.
This extension will display the current status of your IMAP quota in thunderbird's statusbar and will warn you when you reach a configurable limit...
Displays icon for user agent of received mails.
MailHops maps the route an email took to get to you. Displaying the senders location in the mail headers box. Click on the sender location to view a map of the mail route.
Collections are groups of related add-ons that anyone can create and share.Explore Collections