Hello!
In the last few days my Spamassassign does not filter a (for me) new kind of
spam. I have an idea how to fight this spam and want to ask the list if this
is possible with SA.
First a short analysis of what's going on:
1st fact: I get mails like this one:
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On Wed, Jan 07, 2009 at 04:46:44PM +0100, Florian Lagg wrote:
So - if possible - I want spamassassign to:
1. Request the links in the mail body and check them for http-error 302 or
meta redirects
2. Check the links we got by doing this against some DNSBL's
Is this possible? Is there a
Besides the DDOS issue, there's a privacy issue, which is messy with
DNSBLs already. Nothing SA does should send network traffic to a place
controlled by the mail sender. Checking a DNSBL for which there's some
reason to believe they aren't underhanded is one thing, but fetching
stuff from a
On Wed, Jan 07, 2009 at 12:44:39PM -0500, Greg Troxel wrote:
Besides the DDOS issue, there's a privacy issue, which is messy with
DNSBLs already. Nothing SA does should send network traffic to a place
controlled by the mail sender. Checking a DNSBL for which there's some
reason to believe
Hi!
Besides the DDOS issue, there's a privacy issue, which is messy with
DNSBLs already. Nothing SA does should send network traffic to a place
controlled by the mail sender. Checking a DNSBL for which there's some
reason to believe they aren't underhanded is one thing, but fetching
stuff
On Wed, January 7, 2009 19:05, Raymond Dijkxhoorn wrote:
Besides that, its a perfect way to ack your address to them. If they
make a url like blah.at.blah.com and thats corresponding to your
address, like this or url encoded they know your address is
active, real handy.
it olso works on
From: Theo Van Dinter felic...@apache.org
Date: Wed, 7 Jan 2009 11:36:18 -0500
On Wed, Jan 07, 2009 at 04:46:44PM +0100, Florian Lagg wrote:
So - if possible - I want spamassassign to:
1. Request the links in the mail body and check them for http-error 302 or
meta
You can look at the WebRedirect plugin on
http://wiki.apache.org/spamassassin/CustomPlugins
Possible? Sure.
Should? Not unless you want to turn your (and anyone else
running that code's)
machine into a DDoS client.
In other words, while it's possible to shoot yourself
Florian Lagg wrote:
In the last few days my Spamassassign does not filter a (for me) new
kind of spam. I have an idea how to fight this spam and want to ask
the list if this is possible with SA.
snip
More examples:
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Hey! Do you believe that when New Year