Patent ID: 7596604

Claim:
An email information providing server, for providing various types of information services using the email function of a portable terminal, comprising: an information storage unit, for correlating, with IDs, folders and hierarchically managing the folders in accordance with the IDs that are correlated; a first email generator, for, upon receiving an access email from the portable terminal, examining the folder names correlated with the IDs stored in the information storage unit and generating a reply email that includes a folder name included in a first rank and a folder name included in a second rank immediately below the folder name; a first reply unit, for transmitting the reply email generated by the first email generator to the portable terminal at an accessing source; a determination unit, for, upon receiving an access email from the portable terminal, determining whether the access email includes the folder name in the second rank that is included in the reply email transmitted by the first reply unit; a second email generator, for, when the determination unit determines that the access email includes the folder name, examining the folder names correlated with the IDs stored in the information storage unit and generating a reply email that includes a folder name in the second rank and a folder name in a third rank immediately below the folder name; and a second reply unit for transmitting the reply email generated by the second email generator to the portable terminal at the access source.