Patent ID: 8819147

Claim:
An e-mail receiving apparatus arranged to perform prescribed processes on e-mails that are received from an e-mail server apparatus and are addressed to a plurality of users, the e-mail receiving apparatus comprising: a control unit arranged to distribute the e-mails to the plurality of users by storing the processed e-mails in a mail box that is provided as a first storage unit with respect to each user; and a second storage unit arranged to store: a user management table arranged to include each combination of a unique ID, which is newly set each time a new user is registered in the e-mail receiving apparatus, and a user ID for each of the plurality of users; and a received e-mail management table arranged to include a plurality of records each indicating a relation between each e-mail, and the user ID and the unique ID of a destination user of the corresponding e-mail; wherein in response to a command ordering a deletion of a registration of a certain user, the control unit deletes e-mails addressed to the certain user from the first storage unit, and deletes the combination of the user ID and the unique ID of the certain user from the user management table; and the control unit sequentially reads out each record of the received e-mail management table, determines whether or not the unique ID of the user that is related to the read-out record is in the user management table, performs the prescribed processes on the stored e-mails that are related to the read-out record and stores the stored e-mails in the first storage unit when the unique ID is in the user management table, and deletes the read-out record and the corresponding e-mails from the received e-mail management table when the corresponding combination of the user ID and the unique ID is not in the user management table.