- you'v used a wrong or non-valid E-Mail-adress (Mail delivery failed!!)
- our activation-mail was blocked by your spam-filter (or by your provider's firewall).
- your E-Mail inbox was full
In this case, please do not register again!
We can manually activate your account for you!
Just contact your Admin and send an e-mail to: firstname.lastname@example.org
Don't forget to mention your username!