Special function is unnecessary in the computer of the transmitting person end which transmits necessary E-mail, the occasion where E-mail is received, it receives and it offers the annoyance mail decision device whose troublesome manipulation is unnecessary as a believer side. Stores the E-mail which it receives the annoyance mail decision device deciding with necessary E-mail and the unnecessary annoyance mail (11) in, as the reception mail the reception mail storage section which (13a) with, it received and when card information or private information of the believer the authorization information management section which is configurated as information of authorization (13c) with, information of authorization is not included in the reception mail, as the annoyance mail it decided, the reception mail storage section (13a) from the E-mail treatment section which deletes the reception mail (14) with it had. When information of authorization is not included in the E-mail which it receives, because it is the E-mail from the transmission person who even one time does not have acquaintance, deciding as the annoyance mail, because the reception mail storage section (13a) from it deletes, it receives and distinguishing the E-mail from the transmission person who does not know the believer, it is possible to delete.
展开▼
