unable to log in

Njourour: Hi Bryukov, Thanks for your interest in experiencing the Sandbox server, and for your recent inquiry. The server and development group are not based in our region and the administration of the Sandbox server is done exclusively by our colleagues on the Wargaming RU team. If you need assistance regarding access to the Sandbox server or have any Sandbox questions, please refer to: http://worldoftanks.com/en/in_development/sandbox-server/ All players who have suggestions and feedback on the Sandbox server should log into the forum link provided in their invitation and post their comments there.  We hope that this information has been of help in resolving your issue.