The certification for Mail Niaga as a Shariah-compliant SMS blast platform is issued by Elzar Shariah Solution & Advisory Sdn. Bhd., established by Associate Professor Dr. Zaharuddin Abd Rahman. He serves as an advisor and board member to several prominent financial institutions, in addition to being an advisor for the Employees Provident Fund for Shariah-compliant savings. He is well-known as a prominent Islamic financial figure in Malaysia with expertise in Fiqh Muamalat, Islamic Banking & Finance.