"Every phone has no IMEI namely International Mobile Equipment Identity that can be used to track the whereabouts of your phone anywhere in the world," the contents of the spam message.
But in the end, the spam sender suggests the recipient of the message attach their data, such as full name, address, hp model until personal email. You could say this is a trap aka phishing.
Phishing is an attempt to get financial or personal information from internet users, which usually starts from an email or chat that looks like it came from an original source, especially a financial institution.