Many users have more than one account; they start a return in an account, forget how to access it, and end up starting over in another one. If that happened, the "old" account is generating reminders to you to finish your return. If you filed, the return was accepted and processed, and you received your refund, you can ignore the emails.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**