Date: Sat, 17 Feb 2001 01:20:52 -0600 From: "Josh Paetzel" <jpaetzel@hutchtel.net> To: "The Hermit Hacker" <scrappy@hub.org>, <sendmail@sendmail.org> Cc: <ken@mui.net>, <freebsd-questions@FreeBSD.ORG> Subject: Re: simple idea to rid the world of most spam Message-ID: <00f601c098b2$3ca7bb80$6100000a@vladsempire.net> References: <Pine.BSF.4.33.0102170051190.81548-100000@mobile.hub.org>
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----- Original Message -----
From: "The Hermit Hacker" <scrappy@hub.org>
To: <sendmail@sendmail.org>
Cc: <ken@mui.net>; <freebsd-questions@FreeBSD.ORG>
Sent: Friday, February 16, 2001 10:52 PM
Subject: Re: simple idea to rid the world of most spam
>
> actually, what I'd like to know how to implement, if possible, is a
filter
> in sendmail that allows for the use of ident to verify the user
sending
> the email exists ... basically, if I can't reply to it, I don't want
to
> receive it ...
>
In my experience, spammers do use a valid address, it's just not one
that you are going to reach the true originator at.
Josh
> On Fri, 16 Feb 2001, Neil W Rickert wrote:
>
> > ken@mui.net wrote:
> >
> > >Ok all, here's something that has been bugging me for months.
It's
> > >a very very simple idea, but I don't have the knowledge to do
this:
> >
> > >Have you ever noticed how spam seems to come in the same
> > >order and how there's a ton of incorrect email addresses that is
> > >sent?
> >
> > This sometimes happens.
> >
> > >Why can't some kind of email filter be set up that works like
this?
> >
> > >incorrect email sent to account A-----> turn flag on
> > >2nd incorrect email sent to account B ---------> turn 2nd flag on
> > >if 2 flags, then refuse ALL email sent from that account, place
that
> > >name in the ban list.
> >
> > >The chances of someone sending email to 2 accounts that never
> > >existed = 99% chance that person is sending spam.
> >
> > >I've already talked to some people till I'm blue in the face.
I'm
> > >certainly not smart enough to code it, but I'm hoping someone
smart
> > >out there does this ...
> >
> > The important questions:
> >
> > Will this be reliable? That is, will it mainly stop spam, and
not
> > have much effect on non-spam?
> >
> > Will this stop enough spam to be worth the trouble of
implementing
> > it?
> >
> > Will it be easy to implement?
> >
> > Will spammers be easily able to change their behavior to bypass
> > this spam stopper?
> >
> > Will system administrators be willing to use this option?
> >
> > My personal assessment is that this is not worth doing. But
perhaps
> > some of my colleagues will have different ideas.
> >
> > In any case, thank you for sending us the suggestion.
> >
> > -NWR
> >
> >
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-questions" in the body of the message
> >
>
> Marc G. Fournier ICQ#7615664 IRC
Nick: Scrappy
> Systems Administrator @ hub.org
> primary: scrappy@hub.org secondary:
scrappy@{freebsd|postgresql}.org
>
>
>
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