Your registration code and used registration name was send you via e-mail.
Copy it as is and paste it in appropriate edit boxes.
There should be no trailing spaces or other extra symbols in the beginning or in the end of the values. Double check if you have pasted the license name and code into the corresponding fields.
This is the mail system at host scol1.st.interia.pl.
I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can delete your own text from the attached returned message.
The mail system
<<user-name>@wuwer.org>: permission denied
Reporting-MTA: dns; scol1.st.interia.pl
X-Postfix-Sender: rfc822; email@example.com
Arrival-Date: Tue, 22 Dec 2009 01:59:33 +0100 (CET)
Final-Recipient: rfc822; <user-name>@wuwer.org
Original-Recipient: rfc822; <user-name>@wuwer.org
Diagnostic-Code: x-unix; permission denied