fyi - the 'X-Originating-IP" as well as "'X-AOL-IP"  are the senders ip - 
they have no relation to yahoo or aol.  What you can do with these ip's - 
which is what I do - is look up 'um up in blacklists..

-Nick

MadRiverAccess.com|Skywaves.com Tech Support 
US/Canada 877-873-6482 or International +1-802-229-6574 
Emergency Support 24/7: supp...@skywaves.net 
General and Non-Emergency support ticket: 
https://www.skywaves.com/content/secure/support_ticket.htm




----------------------------------------

From: "Colbeck, Andrew" <acolb...@bentallkennedy.com>
Sent: Wednesday, December 08, 2010 5:52 PM
To: declude.junkmail@declude.com
Subject: RE: [Declude.JunkMail] Large amount of hotmail, msn, aol, yahoo 
and other free account blacklisted servers

Thanks, Pete and Scott.

As always, Pete, that change worked as advertised. I've put in a slight
tweak as well as Scott's AOL suggestion, I pre-pended a period to
qualify the domains tighter (I also left in the examples, that's my own
practice for self-documentation)

<source>
<!-- <header name='X-Use-This-Source:' received='mixedsource.com
[' ordinal='0' /> -->
<!-- <header name='X-Originating-IP:' received='hotmail.com ['
ordinal='0' /> -->
<header name='X-Originating-IP:' received='.hotmail.com ['
ordinal='0' />
<header name='X-AOL-IP:' received='.aol.com [' ordinal='0' />
</source>

I sent myself three messages from my own Hotmail account, and then
checked my own firewall's IP address in my local GBU:

CD \messagesniffer

SNFClient.exe -test 1.2.3.4
GBUdb Record for 1.2.3.4
Type Flag: ugly
Bad Count: 0
Good Count: 3
Probability: -1
Confidence: 0.113212
Range: normal
Code: 0

Hopefully, others will choose to also pay in to the system, and
regardless, I'll see less Hotmail and AOL spam from known zombie IP
addresses!

Andrew 8)

-----Original Message-----
From: supp...@declude.com [mailto:supp...@declude.com] On Behalf Of
Scott Fisher
Sent: Monday, December 06, 2010 1:18 PM
To: declude.junkmail@declude.com
Subject: RE: [Declude.JunkMail] Large amount of hotmail, msn, aol, yahoo
and other free account blacklisted servers

I made this change immediately. Like Andrew I've always wondered why the
Hotmail header hasn't been targeted by someone.

-----Original Message-----
From: supp...@declude.com [mailto:supp...@declude.com] On Behalf Of Pete
McNeil
Sent: Monday, December 06, 2010 2:31 PM
To: declude.junkmail@declude.com
Subject: Re: [Declude.JunkMail] Large amount of hotmail, msn, aol, yahoo
and
other free account blacklisted servers

On 12/6/2010 2:47 PM, Colbeck, Andrew wrote:
> I have the same position as Scott.
>
> I find that the MessageSniffer product from ARM Research is the most
reliable test

<snip/>

> Hotmail in particular would be less effective for the bad guys if I
had an
antispam tool that would determine from the headers that the sender was
from
Hotmail (or others) and then check the
>
> X-Originating-IP: [111.222.333.444]

<snip/>

> I've suggested it before but vendors are, quite reasonably, leery of
building into their product a feature that is specific to a few
providers
while being prone to false positives.

Actually, if I may, Message Sniffer has precisely that feature built 
into GBUdb training.

Specifically, you can tell Message Sniffer to identify the source IP for

the message based on the presence of a specific header. This feature was

designed specifically for hotmail and other systems that provide a 
source IP for one reason or another -- (perhaps complex internal
routing).

For configuration information see:

http://www.armresearch.com/support/articles/software/snfServer/config/no
de/g
budb/training/source.jsp
http://www.armresearch.com/support/articles/software/snfServer/config/no
de/g
budb/training/source-header.jsp

If you configure this training mechanism for GBUdb in your Message 
Sniffer engine then GBUdb will become much more accurate for messages 
coming through that source.

Best,

_M

-- 
Pete McNeil, President
MicroNeil Research Corporation
www.microneil.com
703.779.4909
x7010

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