Hello Steve Lamb,
On Friday, September 24, 1999, 2:17:08 AM you told us:
Great Explanation Steve!
Now I will share how do I identify spam and create anti-spam,
especially for Dial Up User.
TF>> Now, how do you actually set the filter to identify spam, i.e.
TF>> make TB tell it apart from legitimate mail?
Long time ago, before I can't "read" message header well; I ask to the
Maillist or someone who I guess have capability to read the message
header well (I was prefering send it to Postmaster of my ISP).
With this approach, I will know who done it.
I noticed, if the spammers came from individuals, it's simple to
counter; just make filter as Steve or Leif mentioned. The problem is
if the spammers came from List Processor or he/she using telnet trick
via open Relay Mail Server,
At first, I sent message to spammers (if I do not want to receive
further msg from him), if no answer; sent msg again to list owner or
[EMAIL PROTECTED] (domain.com = the mail domain of the spammers).
Then, if the spammers keep spam me, I do as follow :
- Create filter to filter out message from Spammers.
- Create auto action, redirected those message to non-existent mail
address (but existent mail domain).
What happen then ?
The spammers will receive Transient Delivery Failure Message every
4-hours in 5-days from our ISP Mailer-Daemon (this is standard RFC
for Internet SMTP mail server).
Because I have my own Mail Server and I do as Postmaster here, I can
set in my Mail Server to sent bounce message back to the spammers plus
full message and attachment every 5 minutes for 5-days (actually I
never do this, because my Mail Server already equipt with Anti-Spam,
just put the spammers on the list, and my Mail Server do the rest).
Honestly, even the stronght List Server such MajorDomo, ListServ,
Ezmlm, ListBoot give up with these approach.
If the spam came from Open Relay Mail Server, at least the postmaster
or Sysadmin will contact us (or maybe to spam us as well :-)), so at
the end he (postmaster) will knows if his Mail Server have a whole and
will corrected.
Asking the spammers message header to the Maillist give another
advantage, other list member can give you legitimate of the spammers
plus (commonly) will help us to listed on his Black List Mail Server;
or (if still did) sent abuse mail to Anti-Spam Organization such :
MAPS-RBL, ORBS etc.
BTW. I ever seen someone redirected spam message to the owner of M$,
he thinks M$ will have good anti-spam on his system, but I don't
recommend this for you :-)
--
- syafril -
********************************************************************
Name : Syafril Hermansyah | Company : Duta Integrasi Pratama
Mailto : [EMAIL PROTECTED] | Voice : (62) (21) 385-1600
URL : www.dutaint.co.id | FAX : (62) (21) 351-9241
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I am using The Bat! 1.36 Beta/4 <registered> at
Windows NT Workstation 4.0 built 1381, Service Pack 5
Created : Friday, September 24, 1999, 9:52:35 (GMT + 07:00)
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