You have almost made it...
Now you just need to confirm your e-mail address
Check your e-mail inbox
Visit the mailbox of the email you registered with previously.
(Please also check your spam folder if you cannot find the email).
Open the confirmation email
Find my e-mail with the subject "Please confirm directly..." and the sender Matthias Bernhardt.
Click on the confirmation link
Finally, click on the confirmation link in the email.
Done! You will now receive all accesses in a separate e-mail.