admin should be a warning for the first foul member should not lock or block their accounts immediately, but let the 2nd that certain members act fouled then block or lock the account a member of they
I think OC sends warning email first and if members continues to spam then his account is blocked.
@shirish5 might be correct. Personally I have no any idea for it. But; you are correct @admin should give warning before going to block any member.
You are correct @admin should first give warning to member if he is making invalid activity. And if he is still doing invalid activities then block him.