I redistered at https://wowcircle.com/en/reg.html and got an email saying
"Hello dear user!
Ваш логин: (My email).
WoW Circle reports, that you or someone else, pointed this address when registering on server wowcircle.com.
To confirm your registration click on the link: (...)
If you are still having problems with the activation of your account, please visit the forum of our project.
With best regards, WoW Circle project team."
When I tried to login I had to use my email and it wouldn't work