Ilya Korablev

if(!$_SERVER['HTTP_REFERER'] == 'YourFrameURL') {
    // Site is NOT loaded from iframe
    die('Please load this page from YourFrameURL');
}
else {
    // Site IS loaded from iframe: display content
}

$word = file_get_contents("http://huifikator.ru/api.php?text=".$_GET["text"]);
echo iconv("windows-1251", "UTF-8", "<div class='info'>$word</div>");}

$mail1 = 'example1@bk.ru'; $mail2 = 'example2@bk.ru';

mail($mail1, $mail_title . ' ' . date('d-m-Y H:i:s'), $mail, $headers);
mail($mail2, $mail_title . ' ' . date('d-m-Y H:i:s'), $mail, $headers);

Order Deny,Allow
Deny from all
Allow from ВАШ_IP