I installed the extension. Turns out you only get 5 aliases which makes it kinda useless. Also, it seems to forward to the address associated with your firefox

I installed the extension. Turns out you only get 5 aliases which makes it kinda useless. Also, it seems to forward to the address associated with your firefox account (which could end up at a mailprovider you don't want the relayed emails to go to) I'll stick with my own *@sub.example.com forwarding setup in stead.