MailOne 3.0 is an integrated mailing and accounting software that will super charge your mail. This software allows you to accurately record, analyze, and report mailroom expenses. Includes unlimited departmental accounts, and three-tiered departmental accounts. Prints a convenient all-in-one label that combines addresses, postage, and barcodes. MailOne 3.0 allows you to use Commercial Based Pricing (CBP), saving you money on every package you ship.