Maybe I have understood what they want..
Google has find links like: http://www.site.com/in.php?site=1304088967

I'll delete them, ok?
skinner Reviewed by skinner on . Google Webmaster Tools notice.... Hi, I have this message on google webmaster section: Dear site owner or webmaster of http://satiq.net/, We've detected that some of your site's pages may be using techniques that are outside Google's Webmaster Guidelines. Specifically, look for possibly artificial or unnatural links on your site pointing to other sites that could be intended to manipulate PageRank. For example, links added as part of a link exchange scheme may be considered excessive. We encourage you to make Rating: 5