After clicking continue on my receipt (which contains download links) I am taken back to my site as expected. However, after going Back in my browser from there (to return to the receipt), a page with the following message appears:
"I can't seem to find your checkout information. Please start again. [link to my site URL]"
This wasn't quite intuitive for a user testing my site. Is this a security measure or maybe a consequence of the default FoxyCart PayPal sandbox environment? What's the expected behavior here?