The Protect Our Letter Carriers Act of 2025 aims to enhance the safety and security of United States Postal Service (USPS) letter carriers. The main objectives are to protect postal workers from violence and to improve the security of mail collection systems. Key provisions of the Act include significant funding for security upgrades. It authorizes .4 billion each year from 2025 to 2029 for the USPS to install high-security collection boxes and to replace older mailbox keys with electronic versions. This is intended to reduce the risk of theft and assaults on postal workers.