The present invention provides a method and apparatus for creating computer-based postage that may be used on any date and with an undetermined addressee includes generating a request to print postage, determining the means for generating the request, determining the master serial number for label stock, tracking the master serial number and printing the postage.The present invention provides for the creation of computer-based postage that may be used in a manner similar to standard postage issued by the USPS. In a presently preferred embodiment, the intended address of the recipient need not be verified at the time the postage is created. Rather the postage may be used at any time in the future with any recipient.