What is the ruling on raising the voice with dhikr after the congregational prayer?

The questioner : Yes, raising the voice with dhikr after the imam finishes the prayer is established.

The Shaykh : It was a period of the Prophet’s (peace and blessings be upon him) educational life, as Abdullah ibn Abbas (may Allah be pleased with him) stated in Sahih al-Bukhari, regarding raising the voice with takbir. Imam al-Shafi'i said that this raising of the voice was for the sake of teaching. He said this because the original ruling for dhikr is to keep it quiet and secret, and not to raise the voice, and in...