You can use the free support forum section. Uhtred (a friend of mine) answers almost every question there, so it's not true what you've said. You just have to register and activate the free support subscription. That's all!
If you use an older version of the component, then you should install the plugin EasyCalcCheck Plus which stops every spam.
With the latest release of the component (2.5-3) you won't get any spam, even without ECC+. I use the component on the demo site and had not one spam entry from bots!
Thanks anyway for the review!