help using phpmailer

[dmotah]

hi guyz im using phpmailer to send mails but into the message variable i cannot add an activation link? the link is send but is not hyperlinnked in any mails(hotmail,gmail etc)

here is my code:

$mail             = new PHPMailer();

//$body             = $mail->getFile('contents.html');
//$body             = eregi_replace("[\]",'',$body);
$body = "Welcome $surname, $name \n You, or someone using your email address, has completed registration at www.maurimarket.tk. You can complete registration by clicking the following link:\n";
$body .="http://www.sellnbuy.tk/confirmation.php?".$activationKey."\n";
$body .="If this is an error, ignore this email and you will be removed from our mailing list. Regards, www.bestbuy.tk Team \n";

$mail->IsSMTP();
$mail->SMTPAuth   = true;                  // enable SMTP authentication
$mail->SMTPSecure = "ssl";                 // sets the prefix to the servier
$mail->Host       = "smtp.gmail.com";      // sets GMAIL as the SMTP server
$mail->Port       = 465;                   // set the SMTP port for the GMAIL server

$mail->Username   = "mail.com";  // GMAIL username
$mail->Password   = "password";            // GMAIL password

$mail->AddReplyTo("mail.com","Admin");

$mail->From       = "mail.com";
$mail->FromName   = "Admin";

$mail->Subject    = "Registration Maurimarket";

//$mail->Body       = "Hi,<br>This is the HTML BODY<br>";                      //HTML Body
$mail->AltBody    = "To view the message, please use an HTML compatible email viewer!"; // optional, comment out and test
$mail->WordWrap   = 50; // set word wrap

$mail->MsgHTML($body);

$mail->AddAddress($email, $name." " .$surname);

Please help,
tkx