src/Message.php
public function sendNow()
    {
        $config = $this->getManager()->getDI()->getConfig();
        $message = $this->getMessage();

        $username = $config->email->username;
        $password = $config->email->password;
        $host = $config->email->host;
        $port = $config->email->port;

        $transport = \Swift_SmtpTransport::newInstance($host, $port);

        $transport->setUsername($username);
        $transport->setPassword($password);

        $swift = \Swift_Mailer::newInstance($transport);

        $failures = [];

        $swift->send($message, $failures);
    }
public function sendNow()
    {
        $config = $this->getManager()->getDI()->getConfig();
        $message = $this->getMessage();

        $username = $config->email->username;
        $password = $config->email->password;
        $host = $config->email->host;
        $port = $config->email->port;

        $transport = \Swift_SmtpTransport::newInstance($host, $port);

        $transport->setUsername($username);
        $transport->setPassword($password);

        $swift = \Swift_Mailer::newInstance($transport);

        $failures = [];

        $swift->send($message, $failures);
    }
Send message instantly, without a queue

@return void