The law in Estonia does not allow exchangers to exchange more than 1000 euros a month without verification for one person.
There are several types of verification, you can choose one of them:
1. Digitally, uses own ID card, to sign scan of ID document and to send our e-mail *
2. To send us notarized ID dcoument.
3. To come to the office in Tallinn with your ID document.
Then removed the limits on exchange.
* more information about digital signature in Estonia here
All European countries must to have the same possibility of digital signature.