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Doc, there is an entire criminal ecosystem that uses spam as a lever to gather resources. If there weren’t ways people could get real money out of it, it would still be a novelty, and we wouldn’t be in an arms race. Thats why I said it was unbridled capitalism.
I was wrong about my math…. it turns out 3.6% of our inbound email is legit… I found this out when my spam filter silently failed today… irritating all of the users I support.
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The way the system here works, if you’ve already made an approved comment, your future comments are automatically approved. It’s only first-timers that get stuck in the moderation queue with all the spam.
…I’ve found that this policy might be part of the problem with extra spam. I’m getting a lot of “Nice post”, “Very Accurate”, “Thanks”, etc. which I’ve been tempted to allow, but I’ve noticed that they don’t seem to have context to the post. My guess is that this is just a bit of social engineering designed to gain the moderation policy.
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For the past X months, 3>X<6, most of my spam comments have resided in the URL links.
In other words, most of the comments are more or less benign or appropriate to the post commented on, but the URL leads to a site NOT relevant to the comment or otherwise objectionable. For example, lately there's been a swarm of…well, how a male person could use extremities other than the fifth to erm provide a female partner with a good time.
I use Typepad as my blogging platform. Just recently they've added a feature where you can block not only words in a comment, but in the commenter name and URL.
I still have to hand-sanitize most comments.
I'm reluctant to go to approving all comments for a number of reasons.
I suspect there's some kind of comment-farming going on — Joe or Jill has a contract based on an email address; if you can verify that so many comments per day are being posted; J or J gets a micro-stipend.
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What I can’t quite figure out is why comment spam continues after rel=nofollow has been implemented. I’ve speculated that it’s search engines like baidu that don’t respect nofollow that are the probem, but something doesn’t add up. Why would spammers bother trying to attack sites that don’t let them through?
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