梭子鱼垃圾邮件防火墙技术白皮书
在所有的互联网服务中，电子邮件服务是最基本的一项服务，通过电子邮件进行交换具有方便快捷的特色。依据计算，在最常常使用的互联网服务中，有87.65%的用户选择了电子邮件服务，居互联网服务的首位。随着INTERNET在全/球的发展，上网人数不断的增多，作为互联网服务中最主要的电子邮件服务，其设计也在全/球不断的扩展。垃圾邮件即是那些不速之客的，你并不希望收到，并且也没有订阅过，却被人强行塞入邮箱的商业广告、产品介绍、发财之道等内容的电子邮件。垃圾邮件一次发给很多人，在Internet上一起传送很多副本。垃圾邮件被叫做Spam，又名UCE(UnsolicitedCommercialEmail)。上网的人使用电子邮件后差不多都有这样的阅历：开始上网后不久，总会收到一些不可思议的电子邮件，内容大都是一些产品介绍，发财之道等等。开始并不介意，一删完事；但会你发现还是不断收到相似的邮件，令你烦恼不已。(Among all Internet services, e-mail service is the most basic service, and the exchange through e-mail has the characteristics of convenience and speed. According to calculations, among the most frequently used Internet services, 87.65% of users choose email services, ranking first in Internet services. With the global/global development of the Internet, the number of Internet users continues to increase. As the most important e-mail service in Internet services, its design is also expanding globally. Spam is those uninvited emails that you don't want to receive, and you haven't subscribed to, but are forcibly stuffed into your mailbox with content such as commercials, product introductions, and ways to make a fortune. Spam is sent to many people at once, sending many copies together on the Internet. Spam is called Spam, also known as UCE (UnsolicitedCommercialEmail). Almost all people who use e-mails on the Internet have this kind of experience: soon after they start to surf the Internet, they will always receive some incredible e-mails, most of which are about product introductions, ways to make money, and so on. I didn’t mind at first, and I deleted it once I deleted it; but you will find that you are still receiving similar emails, which annoys you.)
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