An information processing system, which includes an electronic apparatus and a service providing system executing a process using e-mail based on a request from the electronic apparatus, includes a process reception part that receives the request, a mail transmission part that transmits the e-mail to which identification information uniquely identifying the request is added and in which the address of the service providing system is set as the return destination of the e-mail, a monitoring part that detects reception of the e-mail returned in response to the failure of the transmission of the e-mail, and identifies the request based on the identification information added to the returned e-mail, and a reporting part that reports the failure as the process result of the request to the process reception part. The process reception part records the failure as the process result of the request in response to the reported failure.