If you have any difficulties registering (don't receive a confirmation email to activate your account or simply can't log in) then please send an email to firstname.lastname@example.org
explaining the situation and we will sort it out for you at this end. Just include your username or the email address that you registered on and we can trace it from there.
In case you're wondering why you may be having problems registering it's simply because sometimes the confirmation email sent by the forum software doesn't always get through. Don't forget that email is not 100% reliable and the forum software isn't able to be aware if an email "bounces" back.