SERUPA is an internal special electronic mail application for the Faculty of Fine Arts, Indonesian Institute of the Arts Yogyakarta. This application is for the entire academic community of the Faculty of Fine Arts of the Indonesian Institute of the Arts Yogyakarta, both lecturers, employees, and students. This electronic correspondence application supports disposition facilities, digital signatures and QR Code security systems to ensure the authenticity of letters. With the application the mail control process can run more quickly, effectively and efficiently.