Kako da prenesem vrednost iz forme u PHP

Code:
<?php
require("class.phpmailer.php");

$mail = new PHPMailer();

$mail->IsSMTP(); // send via SMTP
$mail->Host = "smtp.domain.com"; // SMTP servers
$mail->SMTPAuth = true; // turn on SMTP authentication
$mail->Username = "[email protected]"; // SMTP username

$mail->Password = "password"; // SMTP password

$mail->From = "[email protected]";
$mail->FromName = "Name";
$mail->AddAddress("[email protected]","Name");
$mail->AddReplyTo("[email protected]","Your Name");

$mail->WordWrap = 50; // set word wrap

$mail->IsHTML(true); // send as HTML

$mail->Subject = "Here is the subject";
$mail->Body = "This is the HTML body";
$mail->AltBody = "This is the text-only body";

if(!$mail->Send())
{
echo "Message was not sent";
echo "Mailer Error: " . $mail->ErrorInfo;
exit;
}

echo "Message has been sent";

?>

Code:
 <form name="form1" method="post" action="contact.php">
    <label>Name:<br>
      <input type="text" name="Name" id="Name">
      <br>
      Email:<br>
<input type="text" name="email" id="email">
      <br>
      Phone:<br>
<input type="text" name="phone" id="phone">
      <br>
      Company:<br>
<input type="text" name="company" id="company">
      <br>
      Comments:
      
      <textarea name="comments" id="comments" cols="45" rows="5"></textarea>
      <input type="submit" name="submit" id="submit" value="Submit">
      <input type="reset" name="Reset" id="Reset" value="Reset">
       <br>
      <br>
    </label>
  </form>

Code:

// Zameni 
$mail->Body = "This is the HTML body";

// Sa:
$mail->Body = $_POST['comments'];