並前往https://twed8.com/linux/postfix-smtp-server-%E9%83%B5%E4%BB%B6%E6%9C%8D%E5%8B%99%EF%BC%88linux%E4%B8%BB%E6%A9%9F%E4%BC%BA%E6%9C%8D%E5%99%A8%E6%9E%B6%E8%A8%AD%E6%8A%80%E8%A1%93%EF%BC%89/