Welcome to Thunderbird Add-ons.
Add extra features and styles to make Thunderbird your own.Close
About this Add-on
Registration is FREE but not required.
When you register an email address each message will be signed with the Message Level Authentication Protocol guaranteeing that you sent the message. When using Message Level, your recipients will know that message came from you and soon be dazzled with your certified image that you have set for that address. This image can be set in the My Account section of our web site.
Use these best practices to thwart spam and phishing attempts.