Please help !! Contact form not sending mail

Question

www.concretegta.com
in the contact us page i have made a little contact form, but i am not recieving mail to my email. Can someone please help, http://www.concretegta.com/contact.html is where the form is.
this is the coding for the php
<?php
$mailto = '[email protected]' ;
$subject = "Feedback from General Concrete Solutions" ;
$formurl = "http://www.concretegta.com/contact.html" ;
$thankyouurl = "http://www.concretegta.com/emailsent.html" ;
$errorurl = "http://www.johnsmith.com/oops.html" ;
$email_is_required = 1;
$name_is_required = 1;
$comments_is_required = 1;
$uself = 0;
$forcelf = 0;
$use_envsender = 0;
$use_sendmailfrom = 0;
$smtp_server_win = '' ;
$use_webmaster_email_for_from = 0;
$use_utf8 = 1;
$my_recaptcha_private_key = '' ;
// -------------------- END OF CONFIGURABLE SECTION ---------------
define( 'MAX_LINE_LENGTH', 998 );
$headersep = $uself ? "\n" : "\r\n" ;
$content_nl = $forcelf ? "\n" : (defined('PHP_EOL') ? PHP_EOL : "\n") ;
$content_type = $use_utf8 ? 'Content-Type: text/plain; charset="utf-8"' : 'Content-Type: text/plain; charset="iso-8859-1"' ;
if ($use_sendmailfrom) {
ini_set( 'sendmail_from', $mailto );
if (strlen($smtp_server_win)) {
ini_set( 'SMTP', $smtp_server_win );
$envsender = "-f$mailto" ;
$fullname = isset($_POST['fullname']) ? $_POST['fullname'] : $_POST['name'] ;
$email = $_POST['email'] ;
$comments = $_POST['comments'] ;
$http_referrer = getenv( "HTTP_REFERER" );
if (!isset($_POST['email'])) {
header( "Location: $formurl" );
exit ;
if (($email_is_required && (empty($email) || !preg_match('/@/', $email))) || ($name_is_required && empty($fullname)) || ($comments_is_required && empty($comments))) {
header( "Location: $errorurl" );
exit ;
if ( preg_match( "/[\r\n]/", $fullname ) || preg_match( "/[\r\n]/", $email ) ) {
header( "Location: $errorurl" );
exit ;
if (strlen( $my_recaptcha_private_key )) {
require_once( 'recaptchalib.php' );
$resp = recaptcha_check_answer ( $my_recaptcha_private_key, $_SERVER['REMOTE_ADDR'], $_POST['recaptcha_challenge_field'], $_POST['recaptcha_response_field'] );
if (!$resp->is_valid) {
  header( "Location: $errorurl" );
  exit ;
if (empty($email)) {
$email = $mailto ;
$fromemail = $use_webmaster_email_for_from ? $mailto : $email ;
if (function_exists( 'get_magic_quotes_gpc' ) && get_magic_quotes_gpc()) {
$comments = stripslashes( $comments );
$messageproper =
"This message was sent from:" . $content_nl .
"$http_referrer" . $content_nl .
"------------------------------------------------------------" . $content_nl .
"Name of sender: $fullname" . $content_nl .
"Email of sender: $email" . $content_nl .
"------------------------- COMMENTS -------------------------" . $content_nl . $content_nl .
wordwrap( $comments, MAX_LINE_LENGTH, $content_nl, true ) . $content_nl . $content_nl .
"------------------------------------------------------------" . $content_nl ;
$headers =
"From: \"$fullname\" <$fromemail>" . $headersep . "Reply-To: \"$fullname\" <$email>" . $headersep . "X-Mailer: chfeedback.php 2.16.2" .
$headersep . 'MIME-Version: 1.0' . $headersep . $content_type ;
if ($use_envsender) {
mail($mailto, $subject, $messageproper, $headers, $envsender );
else {
mail($mailto, $subject, $messageproper, $headers );
header( "Location: $thankyouurl" );
exit ;
?>

Answer 1

>? i dont understand why there would be secuirity
>risks... did i do something wrong??
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