Trying to get SMTP to work with PHP contact form

<form action="newsendform.php"  method="POST">
					<legend>Request a FREE Quote Now!</legend>
										<div class="inputs">
						
						<input type="text" id="inp_name" name="name" required placeholder="Name *" style="
    width: 90%;">
						<input type="text" id="inp_phone" name="number" required placeholder="Phone*" style="
    width: 90%;">
						<input type="text" id="inp_cmail" name="email" required placeholder="Email*" style="
    width: 90%;">						
					        <textarea name="comments" id="input_1_5" class="textareasmall" tabindex="6" rows="10" cols="50" placeholder="Message" style="
    width: 90%;    padding-left: 5px;    border-radius: 4px;    
    height: 105px;    
    margin: 2px 25px 2px 0;    border: none;    font-size: 16px;    line-height: 1.3;
"></textarea>
					</div>
					<div class="submit_button"><input type="submit" name="btnSubmit" value="Request My Quote"></div>
				</form>

<?
ob_start();
if(isset($_POST['btnSubmit']))
{
require("class.phpmailer.php");

$mail = new PHPMailer();

//Your SMTP servers details

$mail->IsSMTP();               // set mailer to use SMTP
$mail->Host = "example.secureserver.net";  // specify main and backup server or localhost
$mail->SMTPAuth = true;     // turn on SMTP authentication
$mail->Username = "example@example.ca";  // SMTP username
$mail->Password = "11111"; // SMTP password
$mail->Port = 80;  


$redirect_url = "thankyou.php"; //Redirect URL after submit the form

$mail->From = $mail->Username;  //Default From email same as smtp user
$mail->FromName = "Drywall Pros";

$mail->AddAddress("myname@gmail.com", "Myname"); //Email address where you wish to receive/collect those emails.

$mail->WordWrap = 50;                                 // set word wrap to 50 characters
$mail->IsHTML(true);                                  // set email format to HTML


$mail->Subject = $_POST['email'];
$message = "Name :".$_POST['name']." \r\n <br>Email Adrress :".$_POST['email']." \r\n <br> Phone number :".$_POST['number']."\r\n <br> Message: ".$_POST['comments']."\r\n <br> ;
$mail->Body    = $message;

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

echo "Message has been sent";
header("Location: $redirect_url");
}
?>