sentmail code

// Receiving variables
@$email = addslashes($_POST['email']);
@$kontakt = addslashes($_POST['kontakt']);

// Validation
if (! ereg('[A-Za-z0-9_-]+\@[A-Za-z0-9_-]+\.[A-Za-z0-9_-]+', $email))
{
header("Location: error.html");
exit;
}

if (strlen($email) == 0 )
{
header("Location: error.html");
exit;
}

if (strlen($kontakt) == 0 )
{
header("Location: error.html");
exit;
}

//Sending Email to form owner
$pfw_header = "From: $email\n"
  . "Reply-To: $email\n";
$pfw_subject = "kontakt";
$pfw_email_to = "_______@gmail.com";
$pfw_message = "$kontakt\n";
@mail($pfw_email_to, $pfw_subject ,$pfw_message ,$pfw_header ) ;

header("Location: result.html");

?>