Download Andy-NewContentLimit-1.2.zip and unzip it. Copy the src/addons/Andy/NewContentLimit directory to your server. From the Admin Control Panel Install the add-on.

Limits the number of new threads, posts and conversations allowed to be made in a day.This is useful to prevent a spammer from creating thousands of threads, posts and conversations on your forum in a short amount of time.(Example of Options page)Withe the New content limit add-on protecting from flooding, you can set the Minimum time between messages function from 30 seconds to 0 seconds. User will no longer have to wait 30 seconds between creating new messages.