$from="любой почтовый@ящик";
$to=$_POST['to'].'@sms.gate.ru';
$msg=$_POST['msg'];
for($i = 0; $i < $kol; $i++)
{
mail("$to", "", "$msg", "From: $from");
sleep($zad);
}
print"

Your $kol SMS:

$msg

has been sent to $to

        

";
?>