The courier sent a multimedia message, telling the courier to put it in front of his house. Should I reply? How come?

If someone sends a message, they must reply. For example, all messages from your relatives, friends, family members or colleagues at work have to be answered, so it is impossible to leave messages there. Whether you treat the courier as a stranger or a passer-by, you should give him a reply when you talk to him. You can say: OK. I'm outside now, and I'll get a reply from the courier when I get home.