Patent ID: 7697171
Filing Date: 2010-04-13
Classification: H04L,H04N

Abstract:
1. A communications device comprising: a registration unit configured to register recipient information, for each of a plurality of recipients, wherein the recipient information includes at least a recipient address having predetermined domain information and transmission routing information; a generating unit configured to generate e-mail data having image data in an attachment file; and a transmission unit configured to generate transmits the e-mail data, wherein the transmission routing information, is selected from plural types of transmission routing information including at least first transmission routing information which indicates that the generated e-mail data is to be transmitted via a mail server, and second transmission routing information which indicates that the generated e-mail data is to be transmitted via a route that does not include any mail server, and wherein the transmission routing information of at least some of the plurality of recipients is the first transmission routing information and that of others of the plurality of recipients is the second transmission routing information; and, when a plurality of recipient addresses are designated as a destination of the generated e-mail data, (i) said transmission unit acquires unit acquires information concerning an IP address corresponding to domain information of a designated recipient address from a DNS server and transmit the generated e-mail data via the route that does not include any mail server based on the acquired information concerning the IP address, for at least one recipient address, which is registered with the second transmission routing information, among plurality of designated recipient addresses, and (ii) said transmission unit transmits the generated e-mail data via the mail server, for at least one recipient address, which is registered with the first transmission routing information, among the plurality of designated recipient addresses, and wherein the transmission unit transmits the generated e-mail data via the route that does not include any mail server based on second information concerning another IP address, which is acquired from the DNS server, corresponding to the domain information of the designated recipient address if the generated e-mail data is not successfully transmitted via the route that does not include any mail server based on the previously acquired information concerning the IP address.