The problem could be that they require a signature. And a scanned+emailed signature is not a valid signature under Austrian law (IIRC, IANAL, but I am from Aust

The problem could be that they require a signature. And a scanned+emailed signature is not a valid signature under Austrian law (IIRC, IANAL, but I am from Austria). But from the PDF file in the second link from the parent comment they say that they accept email, so I would just try to mail them.