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Sometimes a spammer comes in and posts identical spam answers on random posts.

Maybe we should block this automatically?

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Your first request has merit, but I think that the second would result in a large number of false positives. – Chris Frederick Oct 24 '11 at 23:54
I completely agree. – rightfold Oct 24 '11 at 23:55
Rather than not allowing it in the first place, I'd support automatic flagging of such a user for review. That way it would be easier to identify such spammers for review and possible removal. – Jeff Mercado Oct 24 '11 at 23:59
@JeffMercado - There is already an automatic flag raised by community alerting identical on posts – Flexo Oct 25 '11 at 0:06
How many per-user duplicate answers are there that are legitimate? – user7116 Oct 25 '11 at 0:06
@awoodland: I figured there was some threshold before that auto flag gets raised, relatively low for new users and relatively high for more established users. I actually see it much more often for the established ones than I do for the new ones. The truly malicious tends to mix it up a bit. – Jeff Mercado Oct 25 '11 at 0:12
@Joel I don't see why this is tagged [status-nonrepro] - you can't reproduce that it is possible to post identical answers? [status-declined] I would understand (as "is not necessary"). – Paŭlo Ebermann Oct 25 '11 at 0:50
"no repro" means that the problem that the OP complained about is not, in fact, a problem. Not because we fixed it (which would be status-completed) but because it was never a problem. Yes, it is possible to post identical answers, but the OP did not request for this to be impossible. They thought this should generate automatic blocking. Which it does. – Joel Spolsky Oct 25 '11 at 1:41
up vote 14 down vote accepted

They are already flagged and shown to moderators.

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+1 I didn't realize that. – uɐɯsO uɐɥʇɐN Oct 25 '11 at 3:46

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