Notify/Mailer.php
public function sendException(Request $request, \Exception $exception)
    {
        if (!$this->enabled) {
            return;
        }

        $serverParams = $request->server->all();
        if (isset($serverParams['PHP_AUTH_PW'])) {
            $serverParams['PHP_AUTH_PW'] = '*****';
        }

        $message = \Swift_Message::newInstance()
            ->setSubject('Error message from '.$request->getHost().' - '.$exception->getMessage())
            ->setFrom($this->from)
            ->setTo($this->to)
            ->setContentType('text/html')
            ->setBody(
                $this->templating->render(
                    "SoclozMonitoringBundle:Notify:exception.html.twig", array(
                        'request' => $request,
                        'exception' => $exception,
                        'exception_class' => \get_class($exception),
                        'request_headers' => $request->server->getHeaders(),
                        'request_attributes' => $this->mailerTransformer->transform($request->attributes->all()),
                        'server_params' => $this->mailerTransformer->transform($serverParams),
                    )
                )
            );

        try {
            $this->getMailer()->send($message);
        } catch (\Exception $e) {
            $this->logger->error('Sending mail error - '.$e->getMessage());
        }
    }
public function sendException(Request $request, \Exception $exception)
    {
        if (!$this->enabled) {
            return;
        }

        $serverParams = $request->server->all();
        if (isset($serverParams['PHP_AUTH_PW'])) {
            $serverParams['PHP_AUTH_PW'] = '*****';
        }

        $message = \Swift_Message::newInstance()
            ->setSubject('Error message from '.$request->getHost().' - '.$exception->getMessage())
            ->setFrom($this->from)
            ->setTo($this->to)
            ->setContentType('text/html')
            ->setBody(
                $this->templating->render(
                    "SoclozMonitoringBundle:Notify:exception.html.twig", array(
                        'request' => $request,
                        'exception' => $exception,
                        'exception_class' => \get_class($exception),
                        'request_headers' => $request->server->getHeaders(),
                        'request_attributes' => $this->mailerTransformer->transform($request->attributes->all()),
                        'server_params' => $this->mailerTransformer->transform($serverParams),
                    )
                )
            );

        try {
            $this->getMailer()->send($message);
        } catch (\Exception $e) {
            $this->logger->error('Sending mail error - '.$e->getMessage());
        }
    }
Send error notify mail

@param Request    $request
@param \Exception $exception