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Hence why I said adding the robots.txt block would be the first choice.

Thanks Adam Is there a problem with using noindex as noted in my original post? Having read a bit about canonical now and watched matt cutts video, the advice is to use other forms of redirect, e.g. 301, first, 'rel=”canonical” link element is seen as a hint and not an absolute directive' However, is not feasible that client can manually upload an ediited .htacess file with new 301 redirect each time and article is uploaed, acorss different domains. So, what i am trying to say is, what would be the best method in my situation? Matt