public void SendEmailValidationToken(User user)
{
if (user.EmailConfirmedOn != null)
{
throw new SimpleException(string.Format("The email '{0}' is already confirmed", user.Email));
}
var token = _hashService.CreateTokenWithUserId(user.UserId, Constants.EmailVerificationTokenLen);
user.EmailConfirmationToken = token;
UpdateUser(user);
MailSrv.SendPreDefMailAsync(user, MailType.EmailConfirmation, null);
AddUserLog(user.UserId, "Email validation token send");
}