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On Tue, Oct 12, 2010 at 01:40:09AM +0000, firstname.lastname@example.org wrote:
> Received: from [18.104.22.168] by web80505.mail.mud.yahoo.com via
> HTTP; Mon, 11 Oct 2010 11:06:16 PDT
This is Bell Canada, unremarkable.
> The line above is probably giving you spammer's source IP (or http
> proxy --- some SP use trans. fwd. proxies).
> Analyse that IP address and other similar spammers. If the region is
> not important blacklist the block in 22.214.171.124.
They do it from hacked computers.
> Or create a heuristic(s) that states: if mail is from Yahoo,
> contains a single line and from that IP block, then junk it. You'll
> need to test and make sure it doesn't have much FP.
It comes from gmail too, and I am sure from many originating
IPs. GMail does not report originating IP.
> ------Original Message------
> From: Igor Chudov
> To: Spamassassin Mailing List
> ReplyTo: email@example.com
> Subject: One-liner spams
> Sent: Oct 11, 2010 10:12 PM
> I receive plenty of one-liner spams from hacked webmail accounts,
> advertising various fronts of a Chinese retailer of a certain famous
> chemical compound that enables sinful behaviors for people who were
> not capable physically.
> Example of such an email is here:
> I fully realize that these emails are difficult to trap, but, perhaps,
> I am missing some innovations in the spamfighting field? Any idea how
> I can kill them?
> Mahmoud Khonji