For me signup failed. I get a near blank page (it says 'None'), however, the url shows "bad_email". I think it doesn't like email addresses of the form foo+bar@

For me signup failed. I get a near blank page (it says 'None'), however, the url shows "bad_email". I think it doesn't like email addresses of the form foo+bar@gmail.com - which is a valid email address and in common use, as in foobar+vistrac@gmail.com