People sending packages to the United States will have to file their contact information and details of the items inside electronically in English from next month.The change comes after the US Senate passed the STOP Act (‘Synthetics Trafficking and Overdose Prevention Act of 2018’), to help prevent dangerous goods coming into the country.Patrick Anthony Lin, assistant Postmaster General of Hongkong Post, said items that do not have electronic customs information “would not be accepted by the…