Bem-vindo as Extensões para o Thunderbird.
Adicione recursos e estilos extras para tornar o Thunderbird só seu.
Fechar![Ícone de BorderColors GT](https://addons.thunderbird.net/user-media/addon_icons/380/380901-64.png?modified=1461516554)
BorderColors GT 1.0.8 Requer reinicialização
por Ganymede
How many time you sent an email from your wrong email address?
This add-ons allows you assign a different color to the compose window border for each of your email addresses. So you can immediately view from what account are you writing.