I've had trouble with Sitepoint as they instantly ban you if you post anything that remotely looks like spam. Many forums are the same way - what's the right ap

I've had trouble with Sitepoint as they instantly ban you if you post anything that remotely looks like spam. Many forums are the same way - what's the right approach to posting onto a forum? Do you have a good example of what's accepted? I got the ban-hammer pretty quick on Sitepoint for what I thought was a pretty innocent post asking for feedback on an MVP.