hey man, I've been building a bot to post to craigslist. And they ban the hell out of me all the time. They won't provide support. You can be banned at several levels though. Sometimes it's what's in your browser or sometimes it's your IP. So there are some things to try. If you want to, I can set up a proxy for you and that will definitely work. I'll let you use one I'm using now, but someone else pays for it so down the road you might have to find your own.