This should be fixed now, so if you were having problems with completing the sign-up process, please try again or search for the email you will now have received (check spam)!
I know this impacted about 10 new users, apologies!
Apologies I’ve identified a problem with site signups, PM notifications and other functionality with email.
Should be resolved soon.
Apologies for any inconvenience caused.
Thanks to the person who drew my attention to it.