发明申请
US20070174742A1 Remote maintenance system, mail connect confirmation method, mail connect confirmation program and mail transmission environment diagnosis program 失效
远程维护系统,邮件连接确认方法,邮件连接确认程序和邮件传输环境诊断程序

Remote maintenance system, mail connect confirmation method, mail connect confirmation program and mail transmission environment diagnosis program
摘要:
When a fault is detected by a surveillance agent mounted in a user device, fault information is reported to a maintenance center device by an electronic mail through an internet. The user device is provided with a connect confirmation unit to prepare and transmit connect confirmation mails of a plurality of patterns different in mail content, and the maintenance center device is provided with a diagnosis unit, which diagnose a mail transmission environment of the user device from the reception result of one or a plurality of connect confirmation mails received within a fixed period of time and transmits a diagnosis result to the user device by the electronic mail.
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