On 05/01/2011 6:22 PM, Michael Monnerie wrote:
Dear list,

I received this info from a customer, whose order confirmation from the
londontheatredirect.com got marked as spam because of BOTNET* rules. Are
those rules too old, or is that server in a botnet? How to find out?
Or which rules scores should I tune to optimize?


----------  Forwarded message ----------

Datum: Dienstag, 28. Dezember 2010

Preview:  LondonTheatreDirect.com Order confirmation Many thanks for

    your order, christian enserer Please print this confirmation for your
reference

    [...]



Analyse Details:   (6.0 points, 5.0 required)



Pkt  Name der Regel         Beschreibung

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

-0.5 L_P0F_D7               L_P0F_D7

0.5 L_P0F_W                Relayed through Windows OS except Windows XP

0.0 RELAY_UK               Relayed through Brittan

2.2 BOTNET                 Relay might be a spambot or virusbot

[botnet0.8,ip=88.208.245.26,rdns=server88-208-245-26.live-
servers.net,maildo
main=londontheatredir...

0.3 BOTNET_IPINHOSTNAME    Hostname contains its own IP address

[botnet_ipinhosntame,ip=88.208.245.26,rdns=server88-208-245-26.live-
servers.
net]

0.0 BOTNET_CLIENT          Relay has a client-like hostname

[botnet_client,ip=88.208.245.26,rdns=server88-208-245-26.live-
servers.net,ip
inhostname]

-0.0 BAYES_40               BODY: Bayes spam probability is 20 to 40%

                             [score: 0.3460]

0.0 HTML_MESSAGE           BODY: HTML included in message

0.5 MIME_HTML_ONLY         BODY: Message only has text/html MIME parts

0.4 HTML_MIME_NO_HTML_TAG  HTML-only message, but there is no HTML tag

1.0 RDNS_DYNAMIC           Delivered to internal network by host with

                             dynamic-looking rDNS

0.0 LOTS_OF_MONEY          Huge... sums of money

1.6 BOTNET_WIN             Mail from Windows XP which seems to be in a
Botnet

I would suspect that you are using non-standard rules. What's most concerning is the old p0f rules that are looking for Windows XP. That is dangerous and a bad thing to use as a rule (the OS of the sender).

I would remove the p0f and botnet rules if I were you. That would solve your problem.

Regards,
Lawrence

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