setUsername($sender)        ->setPassword('yourEmailPassword')        ->setStreamOptions($https);    $mailer = Swift_Mailer::newInstance($transport);    $message = Swift_Message::newInstance($subject)        ->setFrom(array($sender => 'Chinese Project'))        ->setTo($getter)        ->setBody($content)    ;    $result = $mailer->send($message);    $success = $result ? 0 : 1;    return $result;}