Just now I received the same email, this is a 100% scam. The telegram group was deleted so people can not warn others of the scam, there was 20k or so users in this group.A lot of people are going to lose their ether. 😓

Let me state it here so Google index it

support@pokerbox.io SCAM
https://www.pokerbox.io/Kyc/ SCAM