| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an electronic mail system that can execute message synchronization of each electronic mail account in the case of using a plurality of electronic mail accounts and to provide a message synchronization method. SOLUTION: This method sets in advance that an electronic mail addressed to a mail account of a host A is also forwarded to a mail account of a host B, a server C at the host A monitors whether or not a user reads an electronic mail addressed to the mail account of the host A and the server C transmits an electronic mail denoting that the user at the host A has read the electronic mail addressed to the mail account of the host A to the mail account of the host B through the Internet when detecting that the user at the host A has read the electronic mail addressed to the mail account of the host A.</p> |
