What was the rule for shaking hands?

The Ruling on Shaking Hands With One's Brother's Wife
The Ruling on Shaking Hands With One's Brother's Wife

The Ruling on Shaking Hands With One's Brother's Wife Question :Is it permissible for a man's brothers to shake hands w...
The Ruling on Shaking Hands With Other Than the Mahram
The Ruling on Shaking Hands With Other Than the Mahram

The Ruling on Shaking Hands With Other Than the Mahram Question :Some men are in the habit of shaking hands with relati...
The Ruling on Shaking Hands With an Unrelated Woman Through a Barrier
The Ruling on Shaking Hands With an Unrelated Woman Through a Barrier

The Ruling on Shaking Hands With an Unrelated Woman Through a Barrier Question :Is it permissible for me to shake hands...
The Ruling on Shaking Hands With an Old Woman
The Ruling on Shaking Hands With an Old Woman

The Ruling on Shaking Hands With an Old Woman Question :What is the ruling on shaking hands with an unrelated woman if ...