well this forum has its own rules .We have to post unique post at least 10 post and after that we can add the signature . This sound good and let me know after posting the 10 posting in what case forums banned the users? How many post can we make daily.?
No, you need to have been a member for 90 days or more. 
in what case forums banned the users?
Spamming, repeated self promotion, fluff posting … that sort of thing. It’s all laid out in the FAQ.
How many post can we make daily?
As many as you like.