php - 送信ボタンが PHP フォームを処理していない

Question

http://www.bridgetjoy.com/Web/requestInfo.html

上記のフォームを処理するのに問題があります...これが私のphp処理コードです。成功ページにリダイレクトするようにしていますが、受信トレイに表示されません。どんな助けでも大歓迎です。ありがとう！

<?php

if(isset($_POST['submit'])) {
   $to = "bridgetjoymedia@gmail.com" ;     //put your email address on which you want to receive the information
   $subject = "Information Request";   //set the subject of email.
   $headers = "From: $email";
   $message = "<table><tr><td>Title :</td><td>".$_POST['title']."</td></tr>
               <tr><td>First Name :</td><td>".$_POST['firstName']."</td></tr>
               <tr><td>Last Name :</td><td>".$_POST['lastName']."</td></tr>
               <tr><td>Degree :</td><td>".$_POST['degree']."</td></tr>
               <tr><td>Address :</td><td>".$_POST['address1']."</td></tr>
               <tr><td>&nbsp;</td><td>".$_POST['address2']."</td></tr>
               <tr><td>&nbsp;</td><td>".$_POST['address3']."</td></tr>
               <tr><td>City :</td><td>".$_POST['city']."</td></tr>
               <tr><td>State :</td><td>".$_POST['state']."</td></tr>
               <tr><td>ZipCode :</td><td>".$_POST['zipCode']."</td></tr>
               <tr><td>Country :</td><td>".$_POST['country']."</td></tr>
               <tr><td>E-mail Address :</td><td>".$_POST['email']."</td></tr>
               <tr><td> Secondary E-mail Address :</td><td>".$_POST['email2']."</td></tr>
               <tr><td>Primary Phone :</td><td>".$_POST['phone1']."</td></tr>
               <tr><td>Primary Phone Location :</td><td>".$_POST['phone1_location']."</td></tr>
               <tr><td>Secondary Phone :</td><td>".$_POST['phone2']."</td></tr>
               <tr><td>Secondary Phone Location :</td><td>".$_POST['phone2_location']."</td></tr>
               <tr><td>Fax :</td><td>".$_POST['phone3']."</td></tr>
               <tr><td>Reason for Request :</td><td>".$_POST['relation']."</td></tr>
               <tr><td>Reason for Request :</td><td>".$_POST['relation_specify']."</td>
               <tr><td>Reason for Request :</td><td>".$_POST['physician_specialty']."</td>
               <tr><td>Reason for Request :</td><td>".$_POST['surgeon_specialty']."</td>
               <tr><td>Reason for Request :</td><td>".$_POST['prof_specify']."</td></tr>
               <tr><td>Reason for Request :</td><td>".$_POST['other_specify']."</td></tr>
               <tr><td>Diagnosis :</td><td>".$_POST['diagnosis']."</td></tr>
               <tr><td>Insurance :</td><td>".$_POST['insurance']."</td></tr>
               <tr><td>How did you hear of Avery Biomedical :</td><td>".$_POST['source']."</td></tr>
               <tr><td>Comments :</td><td>".$_POST['comments']."</td></tr>
               </table>" ;

    $send_contact = mail($to,$subject, $headers,$message);


// Check, if message sent to your email
// display message "We've recived your information"
if($send_contact){
header("Location: success.html");
exit();}
else {

header("Location: failure.html");
exit();}
}
?>