The email may have gone into your SPAM/Junk folder. You can check your e-file status to see if your returns were accepted or rejected, or it will say no return filed.
https://ttlc.intuit.com/community/return-status/help/how-do-i-check-my-e-file-status/00/25538
If your returns have been accepted:
You can checked the IRS website Where's My Refund for your Federal information?
https://www.irs.gov/refunds
If you have a State refund, click on the following link, then click on your State
https://ttlc.intuit.com/community/refund-status/help
