What is postalmate software? POSTALMATE SOFTWARE. PostalMate® software, by PC Synergy, is an innovative desktop application designed especially for retail pack and ship centers. It’s a powerful yet easy to use platform that includes multi-carrier shipping, point-of-sale and mailbox management. PostalMate makes the complex processes for packing, shipping,...How do i contact postmates customer service? The best way for any Postmates user to get support is by using one of the company’s three contact forms: Soon after filling in and submitting the correct form for your respective role — sometimes in just a few minutes — you’ll receive a response from the Postmates customer service team.Where can i find pos hardware from postalmate? Click here to visit the PostalMate website. Take a look at our Premium and Standard POS hardware packages. Each one is configured with POS hardware that meets PostalMate's technical requirements as well as your budget.How do i install postalmate on windows? Open PostalMate by clicking on the desktop shortcut. (Optionally, click Start > All Programs > PostalMate and choose PostalMate from the sub-menu.) If this is your first time running PostalMate, you will be asked to enter your serial number. Once installed, you’ll be prompted to run the Setup Wizard.