In a similar spirit there is http://spa.mnesty.com and https://twitter.com/rescambot , the first one which is more simple and the second which has been discontinued.

Re:scam seemed quite good at what it did https://imgur.com/a/rrHi2

Does anyone know of any other service? I've had varying success with spamnesty , if I recall it does (or did) just have a list of non-answers it picked randomly from. While the Re:scam seemed to use some kind of ML to generate more relevant answers.