China Unicom provides telecommunication –class comprehensive mail service and the function of enterprise office assistance, support individualized domain name, individualized interface to make enterprise image more individualized; also provide the functions of mail arrival short-message warning free of charge, scheduling program warning, high-capacity attachment upload, etc. Enterprise mailbox can be bound with color e function of CDMA mobile phone. Use an check mail with mobile phone at any time and any where, making enterprise office more convenient and faster.