I got the following hadith from *******.org "And from a group of our companions from Ahmad b. Muhammad from `Uthman b. `Isa from Sama`a b. Mihran. He said: I asked Abu `Abdillah (as) about the shaking of the hands of a man and a woman. He said: It is not allowed for the man to shake the hand of the woman except the woman whom he is forbidden to marry her, a sister or a daughter or a paternal aunt or a maternal aunt of the daughter of a sister (niece) or like it. As to the woman whom he is all