24. An article of manufacture comprising software stored on a non-transitory computer readable storage medium, the software comprising: a post office application in a post office that includes an interface for a user to input a first stamp number corresponding to the user and to specify document processing instructions corresponding to the first stamp number that are stored in the post office; a mailman application that receives a new scanned document, processes the new scanned document to determine a second stamp number on a stamp on the new scanned document, where the second stamp number comprises an identification number on the stamp, wherein the identification number on the stamp is the same for each stamp in a roll of stamps assigned to the user, the mailman application including an interface for communicating with the post office application; and the post office application receiving from the mailman application the second stamp number corresponding to the new scanned document, determining the second stamp number matches the first stamp number entered by the user; determining from the user input the document processing instructions corresponding to the first stamp number, and returning to the mailman application the document processing instructions corresponding to the first stamp number that define how to process the new scanned document.
24. An article of manufacture comprising software stored on a non-transitory computer readable storage medium, the software comprising: a post office application in a post office that includes an interface for a user to input a first stamp number corresponding to the user and to specify document processing instructions corresponding to the first stamp number that are stored in the post office; a mailman application that receives a new scanned document, processes the new scanned document to determine a second stamp number on a stamp on the new scanned document, where the second stamp number comprises an identification number on the stamp, wherein the identification number on the stamp is the same for each stamp in a roll of stamps assigned to the user, the mailman application including an interface for communicating with the post office application; and the post office application receiving from the mailman application the second stamp number corresponding to the new scanned document, determining the second stamp number matches the first stamp number entered by the user; determining from the user input the document processing instructions corresponding to the first stamp number, and returning to the mailman application the document processing instructions corresponding to the first stamp number that define how to process the new scanned document. 28. The article of manufacture of claim 24 wherein the document processing instructions specify to e-mail the new scanned document to a different user.