Junk mail identification method, device and system

Abstract

The invention provides a junk mail identification method, device and system. The junk mail identification method comprises the following steps: adding a refund anti-counterfeiting mark field in a mailsent to an outer domain; and performing returned message anti-counterfeiting mark field detection on the returned message received from the outer domain, and identifying whether the returned messageis a junk mail or not according to a detection result. According to the technical scheme provided by the invention, whether the returned message is a forged returned message or a real returned messagecan be identified, so that the identification accuracy of the spam can be improved.

Description

technical field [0001] The invention relates to mail filtering technology, in particular to a junk mail identification method, device and system. Background technique [0002] With the widespread popularity of the Internet, mail has become a common tool for people to communicate, so many legal or illegal businesses use mail to spread advertisements, fraudulent information or reactionary information and other spam information, and even carry viruses or Trojan horses in mail. Often referred to as "spam". Spam seriously affects users' checking and processing of normal emails, especially when viruses or Trojan horses are carried in emails, which will bring serious harm to users. Therefore, it is particularly important to correctly identify and filter spam. [0003] In the process of sending emails, there are many reasons that can lead to bounced emails, for example: the recipient's mailbox is full or the recipient's server cannot be reached, and so on. Under normal circumstan...

AI Technical Summary

Problems solved by technology

[0004] However, many spammers often use the "green channel" in the anti-spam filtering system to fake bounces similar to real bounces

Since bogus bouncing letters are very similar to real bouncing letters, it is difficult to distinguish them by content. Therefore, the anti-spam filtering system easily misidentifies bogus bouncing letters as normal mails and stores them in the user's inbox, thus affecting the normal use of mail by users.

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