Re: Testing anti spam software
Hello,
On Jul 23, 2:20 am, steef <steefvand...@zonnet.nl> wrote:
> quite interesting! but: what does this program add to spamassassin?
spamassassin, like dspam, can use the X-DynaStop tag to train on
spam. Spam Zombies are by far the largest group in the Dynamic IP
address range (approx 75%+), where there are approx. 10% to 15%
ligitimate mail servers in the same range. Ligitimate mail servers
can be whitelisted quickly and easily, leaving a very high accuracy
rate (people testing and running DynaStop have stated that success
rates are as high as 99%)
If you use Exim or a MTA that can run DynaStop directly and drop mail
(once you have tested it extensively), the gain is significant in most
cases I have tested and been told of saved resources and costs.
Here is a site of someone using DynaStop and spamassassin:
http://tom.knaupp.com/?p=9
His results are quite favorable in reduced workload for spamassssin.
Tom also generously provides a whitelist for DynaStop.
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DynaStop: Stopping spam one dynamic IP address at a time.
http://tanaya.net/DynaStop/
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