Posted at 18:52 on 30 January 2007 If you are a responsible blogger, your blog will not contain any spam comments older than a certain age. You will usually delete the occasional one that slips past Akismet within at most a month, so anything older than that will have a 100% chance of being ham rather than spam. So while it's right and proper to include rel="nofollow" on all hyperlinks in new comm
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