From WIkipedia:
Quote:
XRumer is a Windows program that posts forum spam with the aim of boosting search engine rankings. It has been claimed that the program is able to bypass techniques commonly used by many websites to deter automated spam, such as account registration, client detection,many forms of CAPTCHAs, and e-mail activation before posting. The program utilises socks and http proxies in an attempt to make it more difficult for administrators to block posts by source IP and features a proxy checking tool to verify the integrity and anonymity of the proxies used.
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Now add that to a poster with < 50 posts and one month membership of GFY and I think those are all very good reasons to stay well away from this crap.
Anyone who thinks that Google isn't smart enough to detect spammy backlinks is deluding themselves. You *might* fly under the radar for a while but eventually you will be sandboxed to hell.