Sometimes our automatic email system has difficulty sending emails to some accounts, particularly Gmail addresses. Please check your spam folders to see if the confirmation ended up there, otherwise you can submit a support ticket and we will resend the email. However, all that you need to submit a buylist is the buylist number, and to make sure that the cards are unsleeved and sorted in the order found on the checkout and confirmation pages - an email is only necessary for your records.
If you are mailing your buylist to us (instead of bringing it in-person), you will also need to wait for an approval email which is separate from the automatic confirmation and may take longer to arrive.