There are unsolicited emails and emails from unknown senders. The two aren’t the same. I email a car dealer. I expect a response. But I don’t know if it’ll be

There are unsolicited emails and emails from unknown senders. The two aren’t the same. I email a car dealer. I expect a response. But I don’t know if it’ll be from Bob or Larry. And I definitely don’t want to be added to thirty two different email lists they manage.