Abstract: An E-mail distributing system which is composed of a server and a client including a user, and distributes an E-mail corresponding to a group including a plurality of clients. The client transmits a mail acquisition demand including a group identifier, and the server includes personal mail spools and group mail spools. The received E-mails are accumulated in the mail spools according to an arrival address. When a mail acquisition demand from the client includes the group identifier, the E-mail with top priority corresponding to the group identifier is extracted from the group mail spools and is then distributed to the client.