>>/12159/
 >>/12159/
> but we are open for useful propositions of solutions. We listen
Add a word filter every time new spam comes in. So if a specific phrase gets posted, you add that to a word filter and make sure nobody can make a new thread using that phrase. 

Maybe add a filter to random urls that get posted in single post threads, or an inspector for it. 

 >>/18259/
> A year passed. We are still working. No sarcasm.

Keep up the good work frens.