New York Foreign Mailing Instructions are guidelines issued by the United States Postal Service (USPS) that provide instructions for the preparation and delivery of foreign mail. The USPS has developed several types of New York Foreign Mailing Instructions, including Enhanced Mail International (EMI), Standard Mail International (SMI), Global Express Guaranteed (GET), and Priority Mail International (PMI). Enhanced Mail International (EMI) is a USPS service that provides international delivery of letters and packages to certain countries. It offers a range of features such as online tracking, delivery confirmation, and signature services. Standard Mail International (SMI) is a USPS service that provides international delivery of letters and packages to certain countries at a lower cost than EMI. Global Express Guaranteed (GET) is a USPS service that provides international delivery of letters and packages to certain countries with guaranteed delivery time. Priority Mail International (PMI) is a USPS service that provides international delivery of letters and packages to certain countries with an estimated delivery time.