Rated 5 out of 5 stars

per Firefox user fb9db4 el abr. 2, 2020 · enllaç permanent

Very convenient. I am using it for web-apps (time-report, calendar). It has good settings too, so if you are like me, and prefer opening regular weblinks in your regular browser, you can have it that way. Opening specific links only in a thunderbird-tab (like the mentioned web-apps) is still very easy, just right-click a link and choose "open link in new tab".