protected function sendMessage3($response, $username, $password, $timestamp, $client, Swift_Transport_SmtpAgent $agent, $v2 = true)
    {
        list($domain, $username) = $this->getDomainAndUsername($username);
        //$challenge, $context, $targetInfoH, $targetName, $domainName, $workstation, $DNSDomainName, $DNSServerName, $blob, $ter
        list($challenge, , , , , $workstation, , , $blob) = $this->parseMessage2($response);

        if (!$v2) {
            // LMv1
            $lmResponse = $this->createLMPassword($password, $challenge);
            // NTLMv1
            $ntlmResponse = $this->createNTLMPassword($password, $challenge);
        } else {
            // LMv2
            $lmResponse = $this->createLMv2Password($password, $username, $domain, $challenge, $client);
            // NTLMv2
            $ntlmResponse = $this->createNTLMv2Hash($password, $username, $domain, $challenge, $blob, $timestamp, $client);
        }

        $message = $this->createMessage3($domain, $username, $workstation, $lmResponse, $ntlmResponse);

        return $agent->executeCommand(sprintf("%s\r\n", base64_encode($message)), [235]);
    }