Prohibition on shaking hands with paternal uncle’s wife even if she is old

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Shaking hands with a non-mahram woman
Ruling on shaking hands with the opposite sex

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Related Answers:
Giving salaams to people in the mosque during the khutbah
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Is it bid’ah for a person who is already there to say salaam to one who has just arrived?
Shaking hands with a non-mahram woman
Ruling on shaking hands with the opposite sex

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