<p dir="ltr"></p>
<p dir="ltr">Indeed Mr Brooklyn seems interested in discussing how he's working on properly implementing the idea that you told him was stupid<br></p>
<p dir="ltr">On Feb 22, 2015 12:26 AM, "Rick Moen" <<a href="mailto:rick@linuxmafia.com">rick@linuxmafia.com</a>> wrote:<br>
><br>
><br>
> I wanted to also respond _separately_ about why C-R antispam systems are<br>
> a terrible idea generally. (This is a different discussion from my<br>
> giving Ruben a heads-up about such software and mailing lists.)<br>
><br>
> My friend Karsten M. Self has written a concise essay listing a dozen<br>
> reasons. Please see:<br>
> <a href="http://linuxmafia.com/faq/Mail/challenge-response.html">http://linuxmafia.com/faq/Mail/challenge-response.html</a><br>
><br>
> Here are Karsten's twelve points, each detailed on the cited page:<br>
><br>
> 0. Weak, and trivially abused, verification basis.<br>
> 1. Mistaken interpretation of anti-spam goals.<br>
> 2. Misplaced burden.<br>
> 3. Privacy violation.<br>
> 4. Less effective at greater burden than receiver-side whitelisting.<br>
> 5. High type II error (beta).<br>
> 6. Potential "Joe-job" denial of service.<br>
> 7. C-R - C-R deadlock.<br>
> 8. Potential integration into spam e-mail harvest systems.<br>
> 9. Likely consequences: C-R messages and users blacklisted or spamfiltered.<br>
> 10. Mailing list burden.<br>
> 11. Fails to address techno-economic underpinnings of spam.<br>
><br>
> (Items 3 & 4 apply only to _outsourced_ C-R services, which most<br>
> implementations are.)<br>
><br>
><br>
> RM note: It's a funny thing, but I notice many people, when you tell<br>
> them at some length that something is a stupid idea, you're indicating<br>
> that it's a debatable question and it'd be a good idea to argue --<br>
> when what you're saying is just: It's a stupid idea.<br>
><br>
> This is one of those. C-R antispam is a stupid idea.<br>
><br>
> _______________________________________________<br>
> conspire mailing list<br>
> <a href="mailto:conspire@linuxmafia.com">conspire@linuxmafia.com</a><br>
> <a href="http://linuxmafia.com/mailman/listinfo/conspire">http://linuxmafia.com/mailman/listinfo/conspire</a><br>
</p>