Wordpress attachment html mail / wordpress mail

$to = get_option('career_email');
$subject = "Job Application";
$message ='<table>';
$message .= '<tr><td style="vertical-align:top;"><b>Name</b></td><td> : '.$_REQUEST['applicant_name']."</td></tr>";
$message .= '<tr><td style="vertical-align:top;"><b>Position</b></td><td> : '.$_REQUEST['apply_position']."</td></tr>";
$message .= '<tr><td style="vertical-align:top;"><b>Email</b></td><td> : '.$_REQUEST['email']."</td></tr>";
$message .= '<tr><td style="vertical-align:top;"><b>Phone</b></td><td> : '.$_REQUEST['phone']."</td></tr>";
$message .= '<tr><td style="vertical-align:top;"><b>Message</b></td><td> : '.$_REQUEST['message']."</td></tr>";       
$message .='</table>';

$headers = array('Content-Type: text/html; charset=UTF-8');
$headers[] = 'From: Bit Mascot - '.$_REQUEST['applicant_name'].' <'.$_REQUEST['email'].'>' . "\r\n";

if(isset($_REQUEST['cv']) && strlen($_REQUEST['cv'])>0) {
    $attachments = array(WP_CONTENT_DIR . '/' . $_REQUEST['cv']);
}else{
    $attachments = array();
}

wp_mail($to, $subject, $message, $headers, $attachments);