/**
* Count the number of drafted mails for an account
*
* @param int $account_id The account id
*
* @return int
*/
public static function countDrafted($account_id)
{
$where['account_id'] = "= '{$account_id}'";
$where['account_class'] = "= 'CSourcePOP'";
$where['draft'] = "= '1' ";
$mail = new CUserMail();
return $mail->countList($where);
}