Annoying spam posts are still submitted:
Mark post as spam would be a very nice feature!
Liking this idea.
One nice way to avoid it : At the creation of a new topic, just add captcha...Especially cause of this: https://gyazo.com/689a22f57f16e8fc008a0b0fe2364d4c
Great idea, especially with the spammers becoming more active like Niels pointed out.