In addition to an integrated the UPS and FedEx freight add-on modules, there is also now an available US Mail Add-On Module. Purchasing this add-on will allow you to calculate your freight charges during checkout in real-time directly from the US Postal Service (USPS) web service using your shipping Account information.
Note:
Please note that additional licensing is required to gain access to the US Mail Add-On Module.
Contact sales@CyberStoreForSYSPRO.com for more information.