A network connected to a plurality of printers associated with a plurality of users and to a publisher of network publications, the publisher adapted to authorize the printing of a document at the printers by obtaining a document identity and page descriptions for the document to be printed from an identity server; the publisher then sending the document, including its identity and page descriptions to a page server responsible for that document identity; the publisher creating a message that includes the publisher's own identity, alias identities of the plurality of users, a set of multicast channel names, and a private electronic signature of the publisher; the publisher addressing the document to the plurality of users; and the publisher sending the document to the plurality of printers associated with the plurality of users.