"(...) Registration is earned and little bit has changed.
To register, click the Login button in the upper right corner. Further I think will understand.
If you have already received a letter and link looks like this lfsp.pereulok.net.ru/reg/?key=22373c0ba.... not working, repeat registration on the same email. You will receive an updated link.(...)"
http://lfsp.pereulok.net.ru/