..a utility to look up a mailpiece using its unique serial number, which is stored in the Intelligent Mail® barcode. A practical usage of this tool would be if a mailer is using an ancillary endorsement of "Electronic Service Requested'. With this particular endorsement a mailer would be e-mailed specifics of a mailpiece, including the Intelligent Mail® barcode serial number. This number can be entered into this AutoMail® utility so as to determine precisely how the address was entered.