Issues with robo signers

[harleyfr]

I am having MAJOR issues with the forum i created with my free account. The forum i have set up keep getting attacked from ton of people from Asia signing up with a fake screen name then post spam on forum. Everytime i ban an ip address that spams my forum a new one pops up. I had my account suspended cause these people don't know how to quit they are causing too much of the server resources to get used up. For the record it not 1 person it several. I need help on how to stop this nonsense

 

[Livewire]

I added some suggestions in the dispute you filed, but I'm leaving this open here for anyone who has more experience with SMF than I do (I'm not aware of what anti-bot systems are good that work with SMF since I don't use it specifically, so all I know is they exist).