看板FB_security
标 题Re: How do fix a good solution against spam..
发信站NCTU CSIE FreeBSD Server (Fri May 14 13:09:09 2004)
转信站ptt!FreeBSD.csie.NCTU!not-for-mail
En un mensaje anterior, Jan Grant escribi
> On Fri, 14 May 2004, Fernando Schapachnik wrote:
>
> > I don't know TMDA in depth, but with ASK, that most probably wouldn't happen.
> > Here's why: every user has to define a "mailkey", which is some phrase that is
> > present in his .sig. Nowadays is pretty common to get replies quoting the
> > full message. ASK delivers (and also whitelists, if so configured) mail
> > containing your mailkey.
>
> So, it's a hack that is defeated by decent sig-stripping mail clients,
> and adds (dubious) value to the practice of including the entirety of a
> message.
Not really. Your mailkey can be just your name written in a particular way
(maybe including an initial or second name), so the tipical "John S. Doe wrote:"
quote will sufice. And its rare that "customized" spams uses that much info.
Anyway, is not bulletproof, but like I said previously, it cut my spam intake
from a lot to zero, with zero lost email.
> These systems are rude. They're also broken. They offload personal
> effort from the user onto other members of the internet community. That
> makes them antisocial too. And come to mention it, if someone invites
I disagree. It asks for a little colaboration from someone that wants to contact
you in order to defeat a bigger, common enemy. Being it a one timer, is not that
different from a 3-way handshake.
Guess we are really off-topic here.
Regards.
Fernando.
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