From: Lucas Rockwell (lr@socrates.berkeley.edu)
Date: Tue Sep 17 2002 - 10:59:11 PDT
Hi all,
I am late to this discussion but I just want to point out another resource
for cutting back on email address harvesting via the web:
http://www.redshed.net/contact.html
Jonathan 'Wolf' Rentzsch has a nice writeup about email address
harvesting.
-lucas
On Tue, 17 Sep 2002, Aron Roberts wrote:
> At 17:08 -0700 2002-09-16, Aron Roberts wrote:
> > However, because of the multiple techniques spammers have at their
> >disposal and their quickness to adapt to challenges, fighting spam
> >may be ultimately more an issue of law, rather than technology, as
> >the San Francisco Chronicle's Harry Norr has noted (below).
>
> A correction to a typo: the author of several excellent articles on
> spam in the San Francisco Chronicle is Henry (not Harry) Norr, the
> Chronicle's tech savvy reporter and former MacWEEK editor.
>
> I also noticed, only in hindsight, that both Kirk Franklin and I
> saw and cited the article "How to spammers harvest email addresses?",
> <http://www.private.org.il/harvest.html>. (Thanks, Kirk, for the
> terrific links!)
>
> An additional clarification: SpamVaccine, a convenient shareware
> utility for obscuring e-mail addresses,
> <http://www.matterform.com/index.php?page=/spamvaccine/how.html> is
> available for Microsoft Windows, as well as for the Mac OS (both
> Classic and OS X).
>
> We're using this utility to obscure e-mail addresses on the
> Micronet Web site, as you can see by viewing the HTML source on the
> following page:
>
> http://micronet.berkeley.edu/contacting.html
>
> Finally, one of Kirk's citations is to Steven Champeon's August
> 2001 article in New Architect, "Save Your Site from Spambots:
> Techniques to Prevent Address Scraping," which prominently features a
> technique of using the 'mod_rewrite' module for the Apache Web server
> to redirect e-mail harvesting tools used by spammers to an innocuous
> "No spammers" page on your site. This relies on the odd fact that
> many such tools proudly advertise themselves under their real names
> when visiting your Web site, rather than pretending to be legitimate
> browsers.
>
> For those who may wish to explore this approach, the following
> article might also prove useful as a starting point in identifying
> user agent names associated with spammers' tools for harvesting
> e-mail addresses:
>
> "Protect Your Webserver From Spam Harvesters"
> http://www.sendfakemail.com/fakemail/antispam.html
>
> Aron Roberts
> Workstation Software Support Group
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