Everyone knows that moment when you have to send a registered physical letter. How annoying, who has a printer nowadays? Under new European regulations (eIDAS), registered e-mails have the same legal substance as letters. And now we are bringing this product to consumers and SMB for the first time, starting in the Netherlands. It simply involves in 1) identify yourself, 2) upload your letter, 3) pay and 4) recipient identifies itself for final delivery!