From owner-freebsd-questions Tue Feb 20 10:19:58 2001 Delivered-To: freebsd-questions@freebsd.org Received: from ns1.hutchtel.net (ns1.hutchtel.net [206.9.112.100]) by hub.freebsd.org (Postfix) with ESMTP id C7D8D37B401 for ; Tue, 20 Feb 2001 10:19:45 -0800 (PST) (envelope-from jpaetzel@hutchtel.net) Received: from mark9 (hutch-409.hutchtel.net [209.105.45.137]) by ns1.hutchtel.net (8.9.1/8.9.0) with SMTP id BAA09973; Sat, 17 Feb 2001 01:21:32 -0600 (CST) Message-ID: <00f601c098b2$3ca7bb80$6100000a@vladsempire.net> From: "Josh Paetzel" To: "The Hermit Hacker" , Cc: , References: Subject: Re: simple idea to rid the world of most spam Date: Sat, 17 Feb 2001 01:20:52 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG ----- Original Message ----- From: "The Hermit Hacker" To: Cc: ; 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 > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message