server-nalc/mods/_misc/nointeract_messages.lua

local TIMER = 0
minetest.register_globalstep(function(dtime)
	TIMER = TIMER + dtime
	if TIMER < 20 then return end
	TIMER = 0
	for _,player in ipairs(minetest.get_connected_players()) do
		local name = player:get_player_name()
		if not minetest.check_player_privs(name, {interact=true}) then
			minetest.chat_send_player(name, "Hey " .. name .. " ! Pour pouvoir construire et intéragir sur ce serveur, tu dois lire les règles du serveur et les accepter. Tape /rules.")
			minetest.chat_send_player(name, "Hey " .. name .. " ! To build and interact on this server, you have to read the rules of our server and agree them. Type /rules.")
		end
	end
end)