BrowserID allows multiple emails, and I've tested "me@gmail.com" and "me+test@gmail.com", and both work. I guess it can't be 100% automated, but you don't want

BrowserID allows multiple emails, and I've tested "me@gmail.com" and "me+test@gmail.com", and both work. I guess it can't be 100% automated, but you don't want automated logins anyway.