[Mailman-Users] Spams directed to list owner.

Dragon dragon at crimson-dragon.com
Tue Jul 11 22:20:43 CEST 2006


Patrick Bogen sent the message below at 13:08 7/11/2006:
>On 7/11/06, Dragon <dragon at crimson-dragon.com> wrote:
>>Such "obfuscation" is virtually useless. It is a pretty trivial
>>exercise to write a Perl program  to collect e-mail addresses from
>>such schemes (I could do it in a matter of less than an hour to cover
>>all of the common variations). Same goes for all sorts of other
>>schemes that try to hide the e-mail address.
>>
>>Since there is little that can be done to prevent a determined person
>>from harvesting addresses and nothing that can be done to prevent
>>spammers from sending, the best tactic that can be used today is a
>>good bayesian spam filter. But that is only part of the solution, it
>>also requires a conscientious administrator who is willing to take
>>the time to train it on both ham and spam.
>
>FWIW, the mini-turing-test ideas seem fairly reasonable, if you build
>in enough variations.
>E.g.,:
>pdsalmonbogen at gmail.com (remove fish)
---------------- End original message. ---------------------

But even those sort of schemes can be defeated fairly easily with a 
lookup table. Yeah, it takes somebody to set up the tables in the 
first place but after that, it is simply a matter of clever regular 
expression design.

Dragon

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  Venimus, Saltavimus, Bibimus (et naribus canium capti sumus)
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