| 摘要 |
<p>PROBLEM TO BE SOLVED: To make a server side automatically deletable mail under conditions of not generating disadvantages to a user. SOLUTION: A server 4 obtains the number of days passed, the number of possessing mail and a disk using amount to be a reference of deleting the mail from the user conditions of all the users. The conditions are combined and the mail to be a deletion object is extracted and deleted.</p> |
