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How many Q/A-Pairings in Question & Answer CAPTCHA are useful?

Discussion in 'Forum Management' started by Timeout, Mar 12, 2014.

  1. Timeout

    Timeout Member

    as i am using the Q&A-Captcha i wanted to know how much of these pairings are useful to prevent spam?
    I have now about 7 sentences and ask for the first/second/third/etc. word in the appropriate sentence - which adds up to about 35 pairings in total.

    Is this enough? Too much?
    Any ideas will be appreciated...
  2. Brogan

    Brogan XenForo Moderator Staff Member

    I use one and change it whenever the spammers update their lists.
  3. iTuN3r

    iTuN3r Well-Known Member

    Been using question & answer for over a year on local board not a single spammer is able to get in so far . I think updating them every few months makes lot of difference.
  4. RobParker

    RobParker Well-Known Member

    We have 3 and have never had any spam problems.

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