A folding machine includes a first folding roll with a series of the gripper assemblies and a series of tucker assemblies uniformly and alternately spaced to interact with a series of gripper and tucker assemblies of an adjacent second folding roll. The writing control unit detects a synchronization packet included in the plurality of data streams to control the writing of the plurality of data streams into the memory unit based on the synchronization packet. The substrate has a well region within the substrate and a double diffused drain region within the well region. If the result is a match, the e-mail is allowed to be sent, subject to any other restrictions imposed by the stamping process.