This is how it's planned:
o Players will be able to send 1 message every 3 seconds to public channels. Exceeding this limit you'll get a notification about how long you have to wait before you'll be able to send a new message.
o There will be a second limit, 19 messages every 1 minute. Once you reach 8 or so messages (not decided yet), you'll get a warning about how much time you have to wait before you'll be able to send a new message.
With the above system, you would see a maximum of 2-3 spam message every 1 minute if someone would decide to ruin our lovely ooc by cursing at the evil GMs of THF (and before Micah boots him

The system is already live on test server if you want to see it in action. These restrictions are only for the public channels, not for tells, group say, etc. We would like to ask for your input to make the spam filter the "less annoying" possible by fine tuning it based on your feedback.