Many TT users have more than one account. If you started a return in an "old" account but did not finish the return, it is likely that the "old" account is generating those emails. If you know that you prepared and filed your tax return and that it was accepted by the IRS, then just ignore those 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.**