1. A method of using an email message to control a computer resource comprising: composing an email message having a subject line and a body, the subject line including a reserved command word, and the body including command information for enabling a command to be executed on the computer resource; and sending the email message to a computer having direct access to the computer resource; inspecting the email message for an email source address to determine if a sender of the email message is authorized to control the computer resource; using the computer having direct access to the computer resource to recognize the reserved command word and the command information, to parse the command word into an executable command to control the computer resource accordingly; and receiving results of execution of the command from the computer having direct access to the computer resource.