Sending Confirmation eMails

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Hello,
I've created a form to permit people to register for an event and then pay via PayPal. I am receiving the notifications from PayPal that payments are being received. I cannot confirm that the registrants are receiving the confirmation email, but how can I get a copy of the confirmation email or capture the information in the form? When I look in the Forms with PayPal reports, it shows there have been 0 submissions and yet I've received payments from 4 people.

Thanks for your assistance.