| 摘要 |
PROBLEM TO BE SOLVED: To provide a simple day and time certification system for electronic mail. SOLUTION: This computer system which certifies a day and time by using electronic mail is equipped with (1) a means which receives an application from a requester who requires a date and time certificate by electronic mail of the Internet, (2) a means which converts object sentences of the day and time certificate of the electronic mail by adding reception day and time data to a document format handled by content certification mail, and (3) a means which prints the sentences converted by the converting means as a document for content certificate mail addressed to the requester. |
