shi zhao <shizhao <at> gmail.com> writes:
see http://www.google.com/googleblog/2005/01/preventing-comment-spam.html
Are we can join in the exterior links (rel="nofollow") , preventing
wikispam?
[[zh:user:shizhao]]
We can use the similar to Trackback Pings of blog.
[[zh:user:shizhao]]