There is provided a method and system for producing a label that can be applied onto a mailpiece. An exemplary method comprises providing a data service via a network node, the data service being performed in a provider server of a service provider. The exemplary method also comprises performing a one-time printing of the label via a control program, such that an intelligent document is transmitted from the provider server via a network to a user client, the one-time printing being done if a network connection exists between the user client and the provider server, and if, on the basis of a query to the provider server, it has been ascertained that that label had not been printed before. The exemplary method additionally comprises transmitting a message from the user client to the provider server when the label is printed for the first time. The exemplary method further comprises logging the printing in the provider server in response to the message.