Your letter carrier could be delivering your breakfast cereal and bread next. Thinkstock By Varsha Bansal, Reporter From Kiplinger's Personal Finance, November 2015 To compete with FedEx and UPS, the beleaguered U.S. Postal Service is testing enhanced services in select locations. See Also: New Competition for Amazon Prime Mail notification. This new service, which is expected to launch in New York City, will tell customers what’s coming to their mailbox every day by sending e-mails they can read on their mobile device. The service doesn’t include packages. Sunday delivery. This holiday season, some customers can expect their gifts and packages to be delivered on some Sundays leading up to Christmas. Sunday delivery will be offered in most major U.S. cities with high package volume. Same-day delivery.The USPS has a pilot program for same-day delivery in New York City. Grocery delivery. Working with Amazon, the USPS is delivering groceries in some locations in California and New York. Alcohol delivery. Postmaster General Megan Brennan has said that delivering beer, wine and spirits would make the USPS more competitive. Current law prohibits U.S. mail carriers from delivering alcoholic beverages, so Congress would have to give its blessing.