Sender ID combats a specific type of e-mail forgery known as domain spoofing, which falsifies header information to make a message appear to be from a legitimate sender.

• “发件人 ID”主要是打击一种特殊类型的电子邮件伪造品，也称为域名欺骗，这种邮件可以伪造标头信息，使消息看起来就像合法的发件人发过来一样。