PostalMax is always looking for ways to help our customers save money. PostalMax coupons are a great way to make your visit more valuable and we’re constantly changing and updating our coupons, so check back regularly to find other fantastic savings on FingerPrinting, UPS Shipping, Mailbox Rental, US Postal Service, Fax Services, Document Shredding, Artwork Shipping, USA Passport Photos Passport Renewals , Postage Stamps, Professional Packing, Scottsdale Digital Mailbox Rental and more!.