Re: Challenge-response mail filters considered harmful (was Re: Look at

From: Paul Johnson (baloo_at_ursine.ca)
Date: 08/07/03

  • Next message: Andrew Schulman: "Re: Mozilla 1.3 about:plugins->crash" 
    Date: Thu, 7 Aug 2003 04:10:05 -0700
To: debian-user@lists.debian.org

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    On Thu, Aug 07, 2003 at 12:51:33AM +0100, Colin Watson wrote:
    > It's arguably a useful (if rude) tactic in news, since, I hypothesize,
    > it's much faster for spammers to harvest From: addresses because they're
    > usually in the overview file while Reply-To: is not. That makes it a
    > matter of downloading an index versus downloading every article.

    I did an experiment by posting a temporary account in the From header
    in a bunch of different fairly high-traffic, high-spam groups as well
    as the ones I regular. Six months later when I remembered I had
    started that little experiment, the box was still empty.

    This doesn't surprise me at all, though: how many times have you
    gotten a spam that starts off "This is a text-only section for people
    with older[1] mail readers incapable of viewing HTML" and then leads
    right into the HTML spam...

    [1] Yeah, whatever, the current release of OE is *way* older than the
    current version of mutt...

    - --
     .''`. Paul Johnson <baloo@ursine.ca>
    : :' : proud Debian admin and user
    `. `'`
      `- Debian - when you have better things to do than fix a system
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