Jared Markell wrote:
> Alright gents..
>
> I've been training spamassassin's Bayesian for awhile now using a crontab
> job. It "sa-learn"s usually 200 spams a day and usually some Ham we can
> let
> it chew on.
>
> But no matter how hard we try, spamassassin.. just.. well, sucks.
agreed, bayesian alone is imperfect. are you running a 'stock' toaster
install? no modifications? how long has it been up and running? what is
your delete threshold, 12? tried reducing the mark score from 5 to maybe
4.5 or 4, and see how that affects mail traffic? i still mark at 5 and
delete at 6...no ham casualities. chkuser line at 10 recipients and 3
wrong recipients in the tcp.smtp file.
my first suggestion would be to google sare ninjas rules-du-jour. do some
reading there. they offer more rulesets to aid sa in marking spam. the
rules can be cron'ed to update nightly. and you can choose from different
rule subsets, and get as aggressive as you dare. second suggestion would
be to jump over to the wiki and enable surbl. third suggestion look at
your blacklist file. again, wiki or search the mailing list for blacklists
or visit jake's site to add more. fourth suggestion, get a book on sa or
search the web, and become a ninja yourself, writing/modifying rulesets,
changing scores as you see fit, etc. fifth suggestion would be to enable
sa buttons plugin in squirrelmail and get the users to work training sa
with squirrellmail(good luck with that). sixth suggestion, go to the
source...spamassassin mailing lists or forums for hints/tricks.
sa tweaking ultimately is your (our,the admin's) responsibility and it
seems to be one that cannot be automated to any degree of satisfaction,
the target is very "fluid". i have done four of my six suggestions, and
spam is *greatly* reduced compared to pre-toaster levels, but not
eliminated. blacklists seem to be the most effecive use of my time, surbl
and rules-du-jour a distant second, judging from my spamd log and the
rejections i see.
realistically, i do not expect to be spam-free. my limited experience
tells me there is a reward for time invested, and it is linear. i don't
have that many users, and i just don't have that much time.
"fight the good fight every moment..."
fuzz
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