(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.)