Printing management server, printing system, and printing management method

A printing system comprising:

• a printing management server, and an email printing server that causes a printer corresponding to a designated email address to execute a print,
• the printing management server including a CPU which includes an identification information management unit that generates and manages identification information uniquely associated with an email address assigned to a printer, the identification information being information whose meaning is not deciphered by a person viewing the information, a print request receiving unit that receives a print request that is a request to print content, the print request including the identification information without including an email address, and a print instructing unit that converts the identification information included in the print request specified by the identification information management unit to an email address corresponding to the identification information, and instructs the email printing server to cause a printer corresponding to the email address to print content included in the print request, and
• the email printing server causes the printer corresponding to the designated email address to print the content included in the print request.