If you have followed my rule #1 in the article How to avoid your apps from being banned by Facebook Auto-bot, I believe you should get a lower chance in getting your apps from being banned by Facebook Auto-bot.
Now, here is rule #2,
Don’t over-use the publish_stream extended permission.
Everyone wants to get his app rival. But remember, apps that spam gets rival very well too! An easy channel to get rival effect is publishing wall post to user’s and his/her friends’ wall. However, when publishing wall post, remember to follow the Facebook’s policy. For example, you shouldn’t publish the same wall post to more than 1 user’s wall at a time.
There are other tips in publishing wall post to avoid your app from being banned automatically. Stay tuned for the next article.