I received a text message saying that I was at the door, but I didn’t see anyone when I came out.

It is very likely that it is a scam text message or a spam text message, so it is best to ignore it.

You can ignore him. This kind of text message may be a scam text message, and don’t click on any links to prevent being deceived.

Spam text messages refer to short messages sent to users without their consent that users do not want to receive, or short messages that users cannot refuse to receive according to their own wishes. They mainly include the following attributes: (1) Unknown Commercial, advertising and other short messages sent to users with the user’s consent: (2) Other short messages that violate industry self-discipline norms. The proliferation of spam text messages has seriously affected people's normal lives, the image of operators and even social stability. For example, a pseudo base station can send messages to 100,000 mobile phones within three kilometers. Now users can use Mobile Phone Manager to intercept such text messages.