On Jun 18, 2007, at 5:13 AM, Aleksander Kamenik wrote:
Kasper Haagensen wrote:
Can any tell me of experience on spam filter for dbmail running as
lmtp on postfix?
postfix --lmtp--> dspam --lmtp--> dbmail
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clamd
I guess dspam is harder to setup and understand than sa, but it
does pay off a bit later imho. It also has a fair bit of problems
right now, I have two custom patches applied for this setup to
work. There is hope though, that the development of dspam will soon
go on.
I have used dspam, bogofilter, spamassassin and have written my own
as well which I'm using at the moment.
bogofilter is extremely fast and accurate but it's not well designed
for mail delivery other than procmail, maildrop. You can do it, but
it's not ideal.
spamassassin works well but their Bayesian engine doesn't seem that
great -- prone to poisoning. Definitely slower than bogofilter and
not any better at performance. There's a lot of maintenance to
spamassassin between different rules you have to upgrade and tune.
dspam is very accurate. It's slow. And I've personally tracked
through the logs loss of many emails including some that cost me
$700. That's real money and a real problem. It took me about a
month to get everything related to dspam working.
I'd love to tell everyone mine is so uber wonderful the whole world
should be using it, but who am I kidding. I'm one perl writing
dude. I consider it the best of each of the former but it's not
"done". Wish me luck!
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