ELECTRONIC MAIL TERMINAL APPARATUS, MAIL SERVER, CHECK CODE REGISTERING METHOD, AND MAIL RECEPTION PERMITTING METHOD

摘要

An apparatus includes: an address book to store mail addresses; an address registration unit to register a mail address of electronic mail in the address book; a check code generation unit to generate a check code from the mail address; and a check code transmission unit to transmit a mail reception permission notification including the check code generated from the mail address to a registration unit.