public Return SendNotificationToAdministrators(string message, string subject, List <User> toAdministrators = null)
{
if (toAdministrators == null)
{
toAdministrators = new List <User>();
}
toAdministrators.AddRange(UsersMapper.GetAllByRoleEnum(RoleEnum.Administrator));
return(SendEmailToUsers(toAdministrators, subject, message));
}