what is this?

[~Stranger~]

i tried to post an article today and i got this msg

Thank you for posting! You will now be taken to your post. If the administrator has selected to moderate all posts in this forum, you will be taken back to the forum and your post will be displayed presently. If you opted to post a poll, you will now be allowed to do so.

and my post isnt displayed.... can anyone help?!

 

[~Stranger~]

May i ask why do we need that?? and why particulary in "discover islam" section?? :?