(1) Members agree that IFiDEA may set measures and restrictions on the Service, including but not limited to retaining email messages, contents on notice boards or other uploaded contents to the maximum period, the upper limit of emails that can be sent or received through one account of the Service, the upper limit of document size that can be sent and received via email of the Service, the inability of an email account being used or shared by more than one non-particular person, the maximum size of disk space that the IFiDEA servers allocate to the members, and the maximum number of times the members use the service (that is, the upper time limit of each using period). If IFiDEA deletes or does not store any messages, communications, and contents that are maintained or transmitted by the Service, the members shall agree that IFiDEA is not responsible. Members shall agree that IFiDEA has the right to close the account that has not been used for a long period.