Based on reported data, these types of messages are typically categorized as:
The combination of an email address and a specific code (TXT 3013) might be part of a verification or authentication process. For example, a service might send a verification code to a user's phone or another email address as a way to confirm identity or activate an account. mohammed yahoocom hotmailcom txt 3013
or "combo lists" used by hackers?
: If a message claims to be from a service like Yahoo or Hotmail regarding an account issue, always go directly to the official website or app to check your status—never use the contact info provided in the text. Based on reported data, these types of messages