Just checked the other top threads on feature requests and they’re all over a year old with this being the second oldest.. 2+ years to push a button! 
Perhaps someone could offer to drive to their office and do it for them? I’m in the UK but could perhaps jump on a plane for it..
Please press the button on Stripe to send out automatic receipts. Would be standard practice by a company of your size 
Cursor team, please consider adding automatic invoice delivery to the billing email. It is exactly the kind of repetitive manual process that a product like Cursor should help eliminate.
Is the feature in the meantime implemented? It is such a simple feature that invoices are forwarded to an email. Unbelieveable.