why my new member cannot post external link

why my forum cannot post external link ...

if i post it will be show word something like this

Code:

New members are not allowed to post external links or emails for 7 days. Please contact the forum administrator for more information.

can u make it new member can post external links ?

Administration Panel => General => Forum => Security => Security Administration => Unauthorize members with less than a week registration to post external links and emails : No

oke then .. solve this