form php

este codigo nao funciona eu nao percebo porque

encontra o file do php, mas nao envia o email nem devolve o echo

codigo do form no html

<form action="Scripts/file.php" method="post">

<table width="100%" border="0" cellspacing="5px">
 <tr>
 <td width="28%"><div align="right">Name</div></td>
 <td width="72%"> <div align="left">
 <input type="text" name="name" size="70px">
 </div></td>
 </tr>
 <tr>
 <td><div align="right">Company</div></td>
 <td><div align="left"><input type="text" name="Company" size="70px"> </div></td>
 </tr>
 <tr>
 <td><div align="right">Telephone</div></td>
 <td><div align="left"><input type="text" name="tele" size="70px"></div></td>
 </tr>
 <tr>
 <td><div align="right">Email</div></td>
 <td><div align="left"><input type="email" name="email" size="70px"></div></td>
 </tr>
 <tr>
 <td><div align="right"></div></td>
 <td><div align="left"></div></td>
 </tr>
 <tr>
 <td><div align="right">News</div></td>
 <td rowspan="2"><div align="left">
 <textarea name="news" cols="70px" rows="30" id="news" height="250px"></textarea>
 </div></td>
 </tr>
 <tr>
 <td> </td>
 </tr>
 <tr>
 <td> </td>
 <td><div align="left">
 <input name="Submit" type="submit" value="Send News" >
 <input name="Reset" type="reset" value="Clear Form" >
 </div></td>
 </tr>
</table>
</form>

codigo PHP

<?php

$myemail = "email";
$contact_name = $_POST['name'];
$contact_company = $_POST['Company'];
$contact_tele = $_POST['tele'];
$contact_email = $_POST['email'];
$contact_newsT = $_POST['newsT'];
$contact_news = $_POST['news'];

 $sender = "email";
 $sender2 = $contact_email;
 $receiver = "email, $contact_email";
 $client_ip = $_SERVER['REMOTE_ADDR'];

 $email_body = "$contact_name ; $contact_company ; $contact_tele ; $contact_emai ; $contact_newsT; $contact_new";

 $extra = "From: $sender\r\n" . "Reply-To: $sender \r\n" . "X-Mailer: PHP/" . phpversion();

 echo "Thanks + $receiver, nome da revisata, $email_body, $extra";

 if( mail( $receiver, "nome da revisata", $email_body, $extra ) )
 {
 echo "Thanks";
 }
 else
 {
 echo "Delivery was not work, please contact us - phone no +351....";
 }

?>

alguém me pode ajudar nisto?