By Monica Lundquist of Windowbook, posted on Presort.com--Traditionally, presort software focuses on sorting the mail, according to very specific sortation rules dictated by the USPS, after address verification and standardization, and Move Update requirements have been met. While presort software serves a tremendously valuable purpose, this process is usually done in advance of the actual mailing, and often does not accurately reflect the actual mailing that occurs. As a result, it can be very difficult to accommodate last minute changes using presort software. Read the full piecehere.