A method for providing a mailing system includes receiving, through a computer system, a mail item from a sender, and printing the mail item in a document including coded data thereon, the coded data including an indication of the identity of the mail item and at least one reference point on the document....http://www.google.de/patents/US7038797?utm_source=gb-gplus-sharePatent US7038797 - Method and system for delivery of mail
