The Imam should recite in a moderate manner because Allah
سبحانه وتعالى, the Almighty, says: "Do not be loud in your prayer, nor too quiet in it" (Surah Al-Isra
17:110). When the Imam finishes reciting Surah Al-Fatiha, those behind him should say: "All praise is due to Allah
سبحانه وتعالى, the Lord
عز وجل of all worlds." It is not permissible to say "Ameen" after the recitation of Surah Al-Fatiha because that was the practice of the Christians.
Commentary #7