Q2APHP PRO 2.0.0 smtp fix

    /* Open core/engine.php and replace function end_email by this one: */

    public function send_email($to_user, $subject, $message) {

        if(SITE_EMAIL_NOTIFICATIONS==1) {
            if(filter_var($to_user, FILTER_VALIDATE_EMAIL)) {
                $to = $to_user;
            }
            else {
                $to = engine::getuserdata($to_user,"EMAIL");
            }
            if(SMTP_USER!='' && SMTP_PASS!='') {
                $mail = new PHPMailer();
                $mail->IsSMTP();
                $mail->SMTPDebug = 1;
                $mail->SMTPAuth = true;
                $mail->SMTPSecure = 'ssl';
                $mail->Host = SITE_SMTP_HOST;
                $mail->Port = SITE_SMTP_PORT;
                $mail->IsHTML(true);
                $mail->Username = SITE_SMTP_USER;
                $mail->Password = SITE_SMTP_PASS;
                $mail->SetFrom(SITE_SMTP_USER, SITE_NAME);
                $mail->AddReplyTo(SITE_SMTP_USER, "No-Reply");
                $mail->Subject = $subject;
                $mail->Body = $message;
                $mail->AddAddress($to);
                $mail->Send();
            }
            else {
                $headers = 'From: '.SITE_NAME.' no-reply@'.SITE_DOMAIN.'' . "\r\n" ;
                $headers .='Reply-To: '. $to . "\r\n" ;
                $headers .='X-Mailer: PHP/' . phpversion();
                $headers .= "MIME-Version: 1.0\r\n";
                $headers .= "Content-type: text/html; charset=iso-8859-1\r\n";
                mail($to, $subject, $message, $headers);
            }
        }
    }