I just wanted to add some stats that I thought might be of some use here.  I gathered info on my block rates over the past three days and compared my Sniffer hits to them.  There has been no measurable change to my system with an average of 96% of spam getting tagged by Sniffer.  I'm at least not seeing any issues.
FRIDAY
======================
Blocked:    89.45% of Total Message Volume
Sniffer:       85.74%
of Total Message Volume
---------------------------------
Sniffer Capture Rate on Spam: 95.85%


SATURDAY
======================
Blocked:    96.57%
of Total Message Volume
Sniffer:       92.55% of Total Message Volume
---------------------------------
Sniffer Capture Rate on Spam: 95.84%


SUNDAY
======================
Blocked:    96.19%
of Total Message Volume
Sniffer:       92.60% of Total Message Volume
---------------------------------
Sniffer Capture Rate on Spam: 96.26%


The way that I generated these stats was to assume that my "Hold" weight in Declude was an accurate approximate delineation between ham and spam.  Then the total for the Sniffer tests was added together and divided by the block rate in order to calculate the "Sniffer Capture Rate on Spam".

Hope this helps.

Matt




Pete McNeil wrote:
On Monday, January 10, 2005, 12:38:45 AM, Kirk wrote:

KM>   I would like to attack this more aggressively. The increase we've seen in
KM> spam getting through over the last week has brought on a dramatic increase
KM> in customer complaints. What different approaches might I be able to take?

I'm sorry to hear that. Spam is an increasing problem.

I have adjusted your rulebase to the new rule strength threshold 0.5.

Earlier today I coded a number of rules that are based on some of the
subjects you submitted.

If you can think of any black rules that you would feel comfortable
coding on your system please let me know and I will add them. For
example, you may be willing to accept single words or word pairs that
we could not normally code into the core rulebase.

I am open to any ideas you have and I will help you to create rules
that meet your criteria.

Hope this helps,
_M




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