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    <title>David's Computer Stuff Journal: "Open Source" Akismet or Defensio?</title>
    <link>http://journal.dedasys.com/articles/2008/04/18/open-source-akismet-or-defensio</link>
    <language>en-us</language>
    <ttl>40</ttl>
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    <item>
      <title>&amp;quot;Open Source&amp;quot; Akismet or Defensio?</title>
      <description>&lt;p&gt;I have a bad habit of getting caught up in side projects - I love to build stuff, and open see opportunities to engage in this hobby.  A site I've run for a while is the &lt;a href="http://www.leenooks.com"&gt;Linux Incompatibility List&lt;/a&gt;, which also led me to create my own Rails based wiki for it, &lt;a href="http://dedawiki.dedasys.com"&gt;DedaWiki&lt;/a&gt;, which is of course open source (and could use some more attention).&lt;/p&gt;

&lt;p&gt;However, things are getting badly on the spam front, and it's time to find a better solution than hacking at my own anti-spam code.  Two systems that look good are &lt;a href="http://akismet.com/"&gt;Akismet&lt;/a&gt;, which I use successfully for this journal, and &lt;a href="http://defensio.com/"&gt;Defensio&lt;/a&gt;.  However, being the impractical guy that I am, I am also curious if there are what we might call 'open source' efforts in this area. I'm not sure what that would look like, since there's probably strength in numbers, and a hosted solution is certainly easier.  Also, it seems the incentives in an arms race like anti-spam are in favor of the quick turnaround that a small, smart, dedicated team can provide.  Also... a bit of security through obscurity in an arms race type situation probably doesn't hurt, since there's often going to be a way around anything that's not locked down (and part of the value of a journal like this is in the comments), and letting people see exactly what numbers and ratios and metrics are being used is going to help the bad guys.&lt;/p&gt;

&lt;p&gt;Anyone able to point me to something that proves me wrong?&lt;/p&gt;</description>
      <pubDate>Fri, 18 Apr 2008 05:19:00 -0700</pubDate>
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      <author>David N. Welton</author>
      <link>http://journal.dedasys.com/articles/2008/04/18/open-source-akismet-or-defensio</link>
      <category>rails</category>
      <category>spam</category>
      <trackback:ping>http://journal.dedasys.com/articles/trackback/1862</trackback:ping>
    </item>
    <item>
      <title>""Open Source" Akismet or Defensio?" by flevour</title>
      <description>&lt;p&gt;Mollom has nice take on this anti-spam content thing...&lt;/p&gt;</description>
      <pubDate>Tue, 22 Apr 2008 08:10:09 -0700</pubDate>
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      <link>http://journal.dedasys.com/articles/2008/04/18/open-source-akismet-or-defensio#comment-1234</link>
    </item>
    <item>
      <title>""Open Source" Akismet or Defensio?" by Anonymous</title>
      <description>&lt;p&gt;CRM114?&lt;/p&gt;</description>
      <pubDate>Fri, 18 Apr 2008 16:44:25 -0700</pubDate>
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      <link>http://journal.dedasys.com/articles/2008/04/18/open-source-akismet-or-defensio#comment-1233</link>
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