Puntuado con 3 de 5 estrellas

Not bad BUT if we receive any mail, we are not notified.
Protonmail ask to allow desktop notification but of course we can't.

As mentioned in the description, it is a simple button that opens the site in Thunderbird, the rest is all about Thunderbird's built-in browser.

Puntuado con 5 de 5 estrellas

Hey!
I'm using both the ProtonMail and Tuta quick access.

Could you please provide the source code for the addon's? Perhaps as the link to the GitHub repo.

Many thanks

Sure, you can check all here;
https://github.com/tdmrhn/Thunderbird-Quick-Access-Buttons