Re: Spam help requested

From: Arthur Keller <voting_at_kellers_dot_org>
Date: Tue Apr 12 2005 - 01:39:09 CDT

At 1:35 PM -0400 4/11/05, David Mertz wrote:
>>It doesn't matter if the text containing an @ sign is an email
>>address or not - in an HTML document, writing '&#120;&#64;&#121;'
>>is *equivalent* to 'x@y'.
>Sure. But does that translation do anything to slow down spammers
>scanning our archives for addresses?

Yes, according to some studies, although those are not the latest studies.

>>mess up the HTML markup, but the @ character is not part of that,
>>so munging anything that matches '[a-zA-Z0-9\.]+@[a-zA-Z0-9\.]+'
>>will not mess up the markup.
>My address on this mailing list is :-).

Add dash and underscore.

>In other words, your regex doesn't match it. Not that I'm worried
>about my address being revealed; I know that IRL, that particular
>revelation is completely unrelated to the spam I get.
>Actually, I hadn't thought about it, but this is pretty strong proof
>that the prior spam concern was misguided. I have been posting to
>this list for almost two years. During that time I have been quoted
>a pretty large number of times, often with the little attribution
>tag containing my email.
>So far, even though (as a public personality) I receive about 500
>spams a day (!!), I have yet to receive a single one addressed to
> In other words, I simply don't buy the
>idea that our archives are a source of spam harvesting.

Arthur M. Keller, Ph.D., 3881 Corina Way, Palo Alto, CA  94303-4507
tel +1(650)424-0202, fax +1(650)424-0424
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Received on Sat Apr 30 23:17:05 2005

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