DATA VOLUME REDUCTION METHOD, DATA VOLUME REDUCTION PROGRAM AND DATA VOLUME REDUCTION DEVICE FOR E-MAIL

摘要

PROBLEM TO BE SOLVED: To provide data volume reduction techniques capable of automatically changing a data volume reduction rate according to a communication speed in a network environment of an e-mail receiver.;SOLUTION: A data volume reduction device acquires a communication speed between a server and a client connected with the server via a network, refers to a data volume reduction rate setting table storing a data volume reduction rate of an e-mail including attached files for the communication speed, determines the data volume reduction rate for the acquired communication speed, changes an e-mail specified by an e-mail reception request received from the client with the determined data volume reduction rate, and transmits the changed e-mail to the client.;COPYRIGHT: (C)2012,JPO&INPIT