The Department of Defense, specifically the U.S. Army, is seeking vendors for the renewal of a firm-fixed price contract for RightFax software and maintenance services, as outlined in a Sources Sought Notice. This procurement is justified under FAR 8.405-6(a)(1)(i)(B), indicating that only one source can provide the specialized services required due to the unique configuration of the software. The RightFax software is critical for maintaining effective and secure communication systems within the Army's operations, and the U.S. Government encourages all interested businesses, particularly small businesses across various socioeconomic categories, to respond to this notice. Interested parties must submit their responses by COB April 21, 2025, to the primary contact, Ms. Lauren Zuniga, at lauren.e.zuniga.civ@army.mil, or Ms. Adrian Atkinson at adrian.j.atkinson.civ@army.mil.