Welcome to Thunderbird Add-ons.
Add extra features and styles to make Thunderbird your own.Close
Be careful with old versions!
These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.
(your Domain-setting of Confirm-Address will be reset. you have to setting again, please.)
-Mail address is not case sensitive
-Count Down function. you can see count down dialog after push sending mail button.
If you check it, you can check all addresses at once.