public function postSend() {
        // Now ask phpunit if it wants to catch this message.
        if (PHPUNIT_TEST) {
            if (!phpunit_util::is_redirecting_phpmailer()) {
                debugging('Unit tests must not send real emails! Use $this->redirectEmails()');
                return true;
            }
            $mail = new stdClass();
            $mail->header = $this->MIMEHeader;
            $mail->body = $this->MIMEBody;
            $mail->subject = $this->Subject;
            $mail->from = $this->From;
            $mail->to = $this->to[0][0];
            phpunit_util::phpmailer_sent($mail);
            return true;
        } else {
            return parent::postSend();
        }
    }