My replies got deleted

why not just have one board for new people where they can post freely and ask any kind of question. Imagine you want to ask a question and it gets approved 6 hours later

I'm afraid that's not possible at this time as 4 out of 5 messages are spam. Linking to other website and/or just bumping a topic to display their signature. Your open forum section would therefor drown in spam, until someone have time to clean it up. Now your post are pre-moderated and after X posts you can post freely in the forum.