Premiere FTP upload to Adobe Stock via Export > Media Encoder does not work ..... Why ?

Hi, 

so there is this wonderfull export function that we can export clips to FTP . 

And there is this wonderfull import function from Adobe Stock FTP import ....

But If I enter the data that the website generates, I get en error message.

"Test went wrong, could not conect to server" 

Do I need another address or another server URL? 

Do I have to acquiere the login? 

Anybody that can help with this issue? 

Connecting one thing with the other seams to be very tricky ....