The invention relates to a
system and method to filter the wasted mails on internet. At present there is a lot of wasted mails,
human use keywords to filter it, build black name
list, and set regulation to prevent, but the result is unobvious, hard to maintain, high requirement for professional skill. The invention consists of hardware,
software which is installed on hardware and supported network, the
software includes Linux
operating system, analyzing engine for wasted mails, extended black name
list, internet
library and management interface. The periphery supporting network includes complain device for wasted mails, analyzing
system for wasted mails, which can work as transparent gateway before LAN or mail sever, take over MX interface to work before mail sever. The method includes the hardware connection,
telnet management, management of wasted mails and anti-waste setting, and the operation is convenient, easy to maintain, high identifying rate, high stability, low misjudgment rate, and
plug and play.