摘要 |
When electronic mail indicating termination of firmware rewriting has arrived from an image formation apparatus that has received divided firmware, the transmitter side of the firmware determines whether rewriting has ended properly or not from the mail. When rewriting has ended properly, electronic mail with the next divided firmware attached is transmitted based on the division number, divisor value, machine type and module indicated in a Subject field. When rewriting has not ended properly, the same firmware indicated in the Subject field is transmitted again. Accordingly, divided firmware can be transmitted appropriately. Thus, firmware of a large size can be transmitted appropriately even in the case where the size set at the mail server is restricted.
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