1. A method for processing a document production request received by an organization, comprising: receiving electronic image logs comprising image data and associated records for documents processed by a plurality of image output devices within the organization; with a data processing device, automatically filtering the electronic image logs through a first classifier trained to return documents that are responsive to the document production request and a second classifier trained to return those of the responsive documents comprising attorney-client exchanges, the first and second classifiers having each been trained through a machine learning method with respective training examples of the documents labeled with respective classes; and outputting responsive documents with a label indicating whether they comprise attorney-client exchanges or not.