Mail reception method, mail-receiving device and mail server

摘要: PROBLEM TO BE SOLVED: To provide a method for receiving mails to users in an own network, mail-receiving device and mail server, by which the reception of spam can be prevented, even though both receivers senders need not perform complicated operations. SOLUTION: When is received, address database stores lists authorized addresses each 5a, 5b, etc. searched, presence sender received list with respect user who uses destination mail, decided. If contained addresses, 9a prompted input keys relative address. are correctly, added 5a keys. COPYRIGHT: (C)2006,JPO&NCIPI