And have developed "Intelligent E-mail Filter System (IEFS)". It has made the rate of spam erroneous judgment under the control, efficiently avoid spam overflow.

Finally, the "last mile" of mail delivery can be used to further filter offending e-mails.

Ultimately, you want to make sure that your e-mail system and the spam filtering solution have the right information and the right quality of information to enable them to filter the spam effectively.