Going to Extremes to Fight Spam
http://www.wired.com/news/technology/0,1282,57867,00.html
Please take a look at wired.com and read about fighting spam.
I still feel that there is a need of some sort of mechanisme to check if a mail
is comming from a known spammer adres. And we also need the checking methode if
the user is sending from its own domain and out of its own name.
<snippet>
Return-path: <Yoshi4184(_at_)Yoshi4184(_dot_)MyIP(_dot_)org>
Received: from yoshi[192.168.0.102]
by yoshi4184.myip.org [192.168.0.103]
with SMTP (MDaemon.PRO.v5.0.4.R)
for <SuSeLinux(_at_)Yoshi4184(_dot_)MyIP(_dot_)org>; Tue, 04 Mar 2003 15:46:59
+0100
</snippet>
step 1)
Server recieving e-mail.
step2.1)
check against spam-blacklist-server if 19.168.0.103/yoshi4184.myip.org is a
trusted mail relay server.
if not --> drop mail to deadletterbox(_at_)domain(_dot_)com
step2.2) (optional)
check against local maintaind spam-server-blacklist if
19.168.0.103/yoshi4184.myip.org is a trusted mail relay server.
if not --> drop mail to deadletterbox(_at_)domain(_dot_)com
step 3)
check if 192.168.0.102 is allowd to send in name of @Yoshi4184.MyIP.org
if not --> drop mail to deadletterbox(_at_)domain(_dot_)com
step 4)
check if Yoshi4184(_at_)Yoshi4184(_dot_)MyIP(_dot_)org is a correct account at
@Yoshi4184.MyIP.org
if not --> drop mail to deadletterbox(_at_)domain(_dot_)com
step 5)
if all is ok accept mail.
------------------------------------------------
There are only 10 types of people in the world:
Those who understand binary and those who don't.