The legitimation will be checked only after we have received an order.
Upload a document confirming your membership in an alumni organization in some form. If a validity is indicated on the document, you should fill it in the date field. If you are currently also a student:in or employee:in at an educational institution, please use the official registration page. The "Alumni" selection is really exclusively for alumni/alumnae who are otherwise no longer part of the educational system.
Important: Just clicking the registration link in the email might be not enough, the user account is only activated when you log in.