From: Aredridel <aredridel@...>
Date: 2004-02-07T09:12:34+09:00
Subject: Re: How do I bounce?

On Fri, Feb 06, 2004 at 07:25:03PM +0900, Kent Dahl wrote:
> andrew davies wrote:
> >I use pop.rb to download emails on a whitelist
> >then run Mailwasher.exe to bounce the bad guys.
> >
> >"MailWasher Pro also lets you bounce e-mail back to the spammers so it
> >looks as though your address is not valid"
> >  
> >Can I do this using Ruby?
> 
> No idea how you'd do this, but I'd like to suggest that you don't. 
> Because just how many spammers include legitimate headers anyway?
> 
> IANASA, (I am not a sys admin) but I know I've had my fair share of both 
> bounces and angry e-mails when someone has spammed someone else using 
> one a forged sender of my old adresses, and I don't think it does much 
> good bouncing spam.
> 
> 

For a project that aims to stop some of this, check out SPF,
http://spf.pobox.org/

There's a lot of bright folks on the mailing list, too, and they know
-lots- about spammer tricks and what is effective and not.

Ari