Administrativia: Spam problem
Torbjorn Granlund
tege@swox.com
30 Jan 2003 23:42:13 +0100
I would like to apologize for the amount of spam that gets
though to this list. We (actually our Linus) keep fighting
against it, with mail black lists and spamassasin. But
while this stops the vast majority of the spam, some slips
though.
In the meantime, please remember to complain to ISPs. If
you're under Unix, traceroute is your friend.
First dig out the machine that handed the message to any of
the Swox MX machines from the mail header. (These are
b.swox.se, *.romab.com, or server.fatburen.org.)
Then, use the IP number (not the hostname which is usually
fake), and give that to traceroute.
Example:
The last artmarket spam had this header:
Received: from b.swox.se (b.swox.se [212.247.3.182])
by king.swox.se (Postfix) with ESMTP id 7652D491
for <webmaster@swox.com>; Wed, 29 Jan 2003 22:26:39 +0100 (CET)
Received: from localhost (localhost.swox.se [127.0.0.1])
by b.swox.se (Postfix) with ESMTP id 487201FAC
for <webmaster@swox.com>; Wed, 29 Jan 2003 22:26:39 +0100 (CET)
Received: from b.swox.se ([212.247.3.182])
by localhost (b.swox.se [127.0.0.1:10024]) (amavisd-new) with ESMTP
id 03688-05 for <webmaster@swox.com>; Wed, 29 Jan 2003 22:26:34 +0100 (CET)
Received: from rot13.romab.com (rot13.romab.com [194.52.231.20])
by b.swox.se (Postfix) with ESMTP id 8E87F1FA4
for <webmaster@swox.com>; Wed, 29 Jan 2003 22:26:33 +0100 (CET)
Received: from mail1.artmarket.com (mail1.artmarket.com [194.242.43.184])
by rot13.romab.com (Postfix) with ESMTP id A289617EE7
for <webmaster@swox.com>; Wed, 29 Jan 2003 22:26:27 +0100 (MET)
From: ArtMarketInsight.com <info@artmarket.com>
To: <webmaster@swox.com>
Here, 194.242.43.184 handed the spam to our MX backup
rot13.romab.com. traceroute 194.242.43.184 gives:
traceroute to 194.242.43.182 (194.242.43.182), 64 hops max, 44 byte packets
1 ratata (10.0.0.1) 0.321 ms 0.360 ms 0.349 ms
2 ext-router (212.247.3.190) 3.350 ms 2.884 ms 3.158 ms
3 kst27.serial5-2c5.swip.net (130.244.6.105) 16.021 ms 15.834 ms 16.900 ms
4 kst2-core.gigabiteth1-0.swip.net (130.244.198.194) 17.802 ms 16.253 ms 14.095 ms
5 htg3-core.srp6-0.swip.net (130.244.198.19) 18.030 ms 16.053 ms 14.394 ms
6 dgix-srp8-0-bod.stk.router.colt.net (194.68.132.104) 20.463 ms 37.902 ms 24.458 ms
7 pos9-0-asterix.PAR.router.COLT.NET (212.74.67.213) 66.199 ms 267.863 ms 62.695 ms
8 bbr2-cha-PO-3-0.FR.COLT.NET (212.74.67.22) 66.074 ms 64.136 ms 62.878 ms
9 gi4-2.bbr1-cha.fr.colt.net (62.23.251.182) 72.974 ms 62.603 ms 64.553 ms
10 po4-0.bbr1-wat.fr.colt.net (62.23.251.189) 77.491 ms 64.337 ms 62.881 ms
11 fa0-0.bbr-pop2-wat.fr.colt.net (195.68.85.226) 66.502 ms 64.801 ms 63.103 ms
12 bbr2-lyo.pos3-0.fr.colt.net (62.23.115.114) 79.242 ms 77.290 ms 76.142 ms
13 LL-1-lyo.fe1-0.fr.colt.net (213.41.24.98) 79.870 ms 77.560 ms 76.731 ms
14 host.102.86.23.62.rev.coltfrance.com (62.23.86.102) 87.757 ms 83.093 ms 88.924 ms
15 * * *
16 * * *
This shows that coltfrance.com, or fr.colt.net. is
responsible for helping this spammer. Complain to them!
--
Torbjörn