src/MimeMailer/Mailer.php
protected function sendMessage($to, $subject, $message, $additional_headers = '', $additional_parameters = '')
    {
        return $this->getTransporter()
            ->transport($to, $subject, $message, $additional_headers, $additional_parameters);
    }
protected function sendMessage($to, $subject, $message, $additional_headers = '', $additional_parameters = '')
    {
        return $this->getTransporter()
            ->transport($to, $subject, $message, $additional_headers, $additional_parameters);
    }
Messages sender : prepare the whole content and send the e-mail

@param string $to
@param string $subject
@param string $message
@param string $additional_headers
@param string $additional_parameters
@return mixed