Salve ragazzi! Ho acquistato un template su template monster per costruire il mio sito, ma ho un problema con il form:

ho questo file, sotto postato, e non ho capito come modificarlo per far partire il form! Calcoltate che sono sui server aruba!

Spero che mi potete aiutare! Grazie

codice HTML:
<?php
 //SMTP server settings 
 $host = "smtp.host.com";
    $port = "587";
    $username = "";
    $password = "";
 
 
 $messageBody = "";
 
 if($_POST['name']!='false'){
  $messageBody .= '<p>Visitor: ' . $_POST["name"] . '</p>' . "\n";
  $messageBody .= '<br>' . "\n";
 }
 if($_POST['email']!='false'){
  $messageBody .= '<p>Email Address: ' . $_POST['email'] . '</p>' . "\n";
  $messageBody .= '<br>' . "\n";
 }else{
  $headers = '';
 }
 if($_POST['state']!='false'){  
  $messageBody .= '<p>State: ' . $_POST['state'] . '</p>' . "\n";
  $messageBody .= '<br>' . "\n";
 }
 if($_POST['phone']!='false'){  
  $messageBody .= '<p>Phone Number: ' . $_POST['phone'] . '</p>' . "\n";
  $messageBody .= '<br>' . "\n";
 } 
 if($_POST['fax']!='false'){  
  $messageBody .= '<p>Fax Number: ' . $_POST['fax'] . '</p>' . "\n";
  $messageBody .= '<br>' . "\n";
 }
 if($_POST['message']!='false'){
  $messageBody .= '<p>Message: ' . $_POST['message'] . '</p>' . "\n";
 }
 
 if($_POST["stripHTML"] == 'true'){
  $messageBody = strip_tags($messageBody);
 }
 
 if($host=="" or $username=="" or $password==""){
  $owner_email = $_POST["owner_email"];
  $headers = 'From:' . $_POST["email"] . "\r\n" . 'Content-Type: text/plain; charset=UTF-8' . "\r\n";
  $subject = 'A message from your site visitor ' . $_POST["name"];
  
  try{
   if(!mail($owner_email, $subject, $messageBody, $headers)){
    throw new Exception('mail failed');
    }else{
    echo 'mail sent';
   }
   }catch(Exception $e){
   echo $e->getMessage() ."\n";
  }
 }else{ 
  require_once 'Mail.php';
  $to = $_POST["owner_email"];
  $subject = 'A message from your site visitor ' . $_POST["name"];
  $headers = array (
  'From' => 'From:' . $_POST["email"] . "\r\n" . 'Content-Type: text/plain; charset=UTF-8' . "\r\n",
  'To' => $to,
  'Subject' => $subject);
  
  $smtp = Mail::factory(
     'smtp',
     array (
      'host' => $host,
      'port' => $port,
      'auth' => true,
      'username' => $username,
      'password' => $password));
  $mail = $smtp->send($to, $headers, $messageBody);
  
  try{
   if(PEAR::isError($mail)){
    echo $mail->getMessage();
    }else{
    echo 'mail sent';
   }
   }catch(Exception $mail){
   echo $mail->getMessage() ."\n";
  }
 } 
?>