ELECTRONIC MAIL FILTERING METHOD, DEVICE, AND ELECTRONIC MAIL SERVER

摘要

An electronic mail filtering method, an electronic mail filtering device, and an electronic mail server are disclosed. The method involves obtaining sender and receiver address information. If IP address in said sender address information is in the banned address list, inquire white list corresponding to the receiver address information. If mail address in sender address information is not in the white list, filter said mail. The electronic mail filtering device includes an obtaining unit, an inquiring unit and a white list filtering unit, and the electronic mail server includes the electronic mail filtering device.