Same question has been asked over so couple of times, such as - https://stackoverflow.com/questions/1303575/what-are-the-pros-and-cons-of-using-an-email-as-a-u

Same question has been asked over so couple of times, such as - https://stackoverflow.com/questions/1303575/what-are-the-pros-and-cons-of-using-an-email-as-a-username https://stackoverflow.com/questions/1303575/what-are-the-pro...