Question: I read in some of the books written by Shaykh Al-Islaam about talking to the dead. He said that it is Satan who comes out of the grave and talks to those who have come to him, and some other related things. Does the story of Mutarrif, which was mentioned by Ibn Al-Qayyim, belong to this category? Is there a limit for talking to the dead, if in fact it is Shaytaan who responds?
Answer: The souls of the dead approaching their graves on Thursday night or Friday morning, recognizing those who visit or pass them and greet them more clearly than other times, and meeting of the living with the dead on this day are all matters that belong to the Ghayb (Unseen), which is known exclusively by Allaah and therefore can only be known about through a revelation from Him to one of his prophets… read more here.