3-250 Muhammad ibn Ja’far al-Bandar narrated that Abul Abbas al-Himady quoted Muhammad ibn Ali al-Zayeq, on the authority of Al-Qa’nabi , on the authority of Ibn Abi Za’eb , on the authority of Ibn Shahab, on the authority of Anas ibn Malik that God’s Prophet (MGB) said, “
It is not allowed for one to be on no talking terms with his Muslim brother for more than three days.”