The IRS announced that manual email notifications for International Data Exchange Service (IDES) transmissions will be sent by October 15, 2024. These emails will come directly from lbi.fatca.ides@irs.gov with the subject line “Manual IDES Confirmation.”
Additionally, the IRS provided updates on the IRS public key and instructions for setting up a Secure File Transfer Protocol (SFTP) connection.
SOURCE : https://content.govdelivery.com/accounts/USIRS/bulletins/3b80bba?reqfrom=share