Machine for sorting flats

A sorting machine for processing at least flat postal items comprising a stacking module (6) having a plurality of stacking stations (11) defining respective channels (23) along which the postal products are carried and a first plurality of rollers (30) for handling the postal products along said stacking stations (11), a first carrying assembly (9) defining a second channel (31) configured so as to carry the postal products towards said stacking module (6) and comprising a second plurality of rollers (27, 28) for carrying said postal products, a plurality of deviating assemblies (10) each of which comprises a first device (21) that may selectively be moved to deviate a flat in said channel (23) of the desired stacking station (11), a second carrying assembly (12) delimiting an outlet channel (39) communicating with said plurality of stacking stations (11), in which at least one of said first and second rollers (27, 28, 30) may transversally be moved with respect to the direction along which the postal products are carried on the machine (1).