| 摘要 |
PROBLEM TO BE SOLVED: To take countermeasures to a non-replied or delayed domain in response to mail transmission.SOLUTION: A transmission right management part 220 has a transmission right management queue for a specific domain and a transmission right management queue for the other domain. A transmission mail management part 230 has a transmission queue. A mail transmission instruction temporary storage part 240 stores mail transmission instruction information. A request reception part 210 stores a transmission instruction in the transmission queue, and stores the mail transmission instruction information in the mail transmission instruction temporary storage part 240 when the transmission right management queue for the specific domain or the transmission right management queue for the other domain has a transmission right. A transmission control part 250 has a transmission thread for the specific domain and a transmission thread for the other domain, and they acquire transmission information from the transmission queue, and instructs mail transmission to a mail transmission agent 260 on the basis of the mail transmission instruction information.SELECTED DRAWING: Figure 1 |
