validate mail

def validateEmail(self, email):
        """This function validates the mail address given
        in the argument: email.
        """
        if len(email) > 7:
            if re.match("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$", email) != None:
                return True
            return False