over night mail

over night mail Overnight mail services allow businesses and individuals to send packages and documents that must be delivered the next day. Major carriers like USPS, FedEx, and UPS offer overnight services, with varying delivery options depending on urgency and cost. USPS offers Priority Mail Express, while FedEx and UPS provide overnight options such as FedEx Standard Overnight and UPS Next Day Air. These services are particularly useful for time-sensitive shipments that require guaranteed delivery by the following business day.