Bem-vindo as Extensões para o Thunderbird.
Adicione recursos e estilos extras para tornar o Thunderbird só seu.
FecharProton Mail Toolbar Button 1.0
por Lars Baum
Adds a Proton Mail button to the toolbar. The button simply opens a new tab with the https://mail.proton.me webpage.
Sobre esta extensão
If you want to use Thunderbird's mail features with your Proton Mail account, you must use the paid official Proton Mail Bridge client.