Serve s3 support for policies

Does rclone support policies when running rclone serve s3?

I want to have my bucket be append-only - e.g. to prevent put to overwrite objects (similar to object lock).
Can I pass a policy to rclone serve s3?

Like this:

{
  "Sid": "DenyOverwrite",
  "Effect": "Deny",
  "Principal": "*",
  "Action": "s3:PutObject",
  "Resource": "arn:aws:s3:::your-bucket-name/*",
  "Condition": {
    "StringEquals": {
      "s3:x-amz-copy-source": ""
    }
  }
}

no. minio should support that.