What should I do if I do not receive the confirmation e-mail?
If you do not receive an order confirmation e-mail, even after you have completed all the steps, please check that the order is listed under "My Account". If it is not, please contact us for further assistance.
https://osi.rosenberger.shop/en/OSI-helpcenter/order-management/What-should-I-do-if-I-do-not-receive-the-confirmation-e-mail