Email senden mit eigenen capacha

Ich habe mal einen eigenen Capacha gebaut der einfach ist , aber für Bots eigentlich nicht zu umgehen.Testet es mal selber. Download-Archiv
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Der hier verwendete Code

<?php
$break = "<br/>";
$eol .= "\r\n";
$sol .= "\n";
if (isset($_POST['submitted'])) {
$errors = array();
if (empty($_POST['name'])) {
$errors[] = 'Please enter your name.';
}
// if (!preg_match("/^([a-zA-Z0-9])+([\.a-zA-Z0-9_-])*@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-]+)*\.([a-zA-Z]{2,6})$/", $_POST['email'])) {
// $errors[] = 'Please enter a valid email address.';
// }
if (empty($_POST['msg'])) {
$errors[] = 'Please enter a message.';
}
if (empty($errors)) {
$siteName = 'Testmail Bastis1012 lösungspage';
$senderName = $_POST['name'];
$senderMail = $_POST['email'];
$url = $_POST['url'];
$headers .= 'Date: '.date("r").$eol;
$headers .= 'Sender-IP: '.$_SERVER["REMOTE_ADDR"].$eol;
$header .= "MIME-Version: 1.0\r\n";
$header .= "Content-type: text/html; charset=iso-8859-1\r\n";
$empfaenger = "peter1012@gmx.de";
$absender = $senderName;
$betreff = "Fehler melden $siteName ";
$antwortan = "basti1012@soforthilfe-forum.de";
$header .= "From: $absender\r\n";
$header .= "Reply-To: $antwortan\r\n";
$header .= "X-Mailer: PHP ". phpversion();
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