| 摘要 |
<p>PROBLEM TO BE SOLVED: To synchronize e-mail between communication terminals by use of a basic communication function of the communication terminal.SOLUTION: A master terminal 10M transmits a target-mail list including mail identification information of e-mail to be identified target-mail synchronized out of master e-mail by means of target-mail list e-mail, to a slave terminal 10S. The slave terminal 10S transmits, in response to the target-mail list e-mail, a difference list including mail identification information not included in the slave mail out of the mail identification information included in the target-mail list, by means of difference list e-mail to the master terminal 10M. The master terminal 10M selects mail corresponding to the mail identification information included in the difference list, in response to the difference list e-mail, from the master mail, and transmits it to the slave terminal 10S by means of difference-attached e-mail. The slave terminal 10S restores the attached mail in response to the difference-attached e-mail, and adds it to the slave mail.</p> |
