Short term solution is to wait an hour or two and try again. It usually works at various times through the day, intermittently.Of course it's insane to expect anyone to be able to do business with an email account they can only access half the time....
As another person mentioned, the "invalid credentials" problem existed for at least a year before this update but has now gotten much, much worse. Nothing any Bell tech will suggest will fix it.... I've tried everything with multiple of them. Delet...
