Many of us have an issue sometimes where if we don’t like someone we find it difficult to greet them or to respond to the greeting. Allah says when you are greeted, reply the greeting.
So this is something you need to know greet people and respond to their Greetings in a beautiful way and Allah will open your doors.
if there is someone who you know for a fact, is making a mockery of it Then you don’t respond that particular lies. The lies are because they’re telling you peace be upon you but they don’t mean it at all.
However, Allah says still try to greet back.
When your greet someone, be genuine. This is Allah teaching us clean your heart.