Why do people receive messages from my Apple phone? The ID is different.

There are two sources to receive information from Apple's mobile phone. One is the traditional short message sent by the operator, which is charged, and the other is to receive information from iMessage. The acquisition of iMessage information includes:

The information is sent to the mobile phone number; ?

The email address sent to this mobile phone number, including the email address with Apple ID or the registered email address without Apple ID, has multiple email addresses, as shown in the figure below, which can be received. The mass sending of iMessage information is more convenient and free, so advertisers often use iMessage to send messages now.

There are also many ordinary mass short messages, and different users can receive the same content.