I can see that your complaint has been accepted on Askgamblers already. It will be good if you inform Gamdom team about this by sending an email: Gamdom Casino - Blocked account without reason and scammed 245 usdt

You haven't said anything new here. You can at least specify the clauses of the terms which have been violated by OP. There should be a certain reason for banning the users, for example: multiple accounts, bonus abuse, suspicious betting activity, etc. The user hasn't violated all the parts of your terms. OP hasn't asked you to provide the details of how your anti-fraud system made the decision. Just tell him the exact reason.