Ilo,

> I'm using RBLs & DCC & Razor2 and Bayes & AWL and the total amount of
> spammed blocked is not so great? I still have a lot of complaints of
> spam.

Adding a default set of SARE rules to the mix is beneficial too.

> I would like to know if im using remote tests

Make sure the  $sa_local_tests_only = 0

> Is it advisable to do Bayes & AWL aswell?

Bayes is definitely very useful.
With AWL people have mixed experience. I'm using it at our site
but on occasion I may have to manually remove some AWL entry
which went amok ( su vscan -c 'spamassassin -R ...' )

> And I noticed that the Bayes and AWL files grew to a size of 40MBs,
> How offen should these files be truncated, Daily, Weekly?
> and If I convert these files to mysql how offen should the tables be
> optimized ?

It is well worth moving these databases to SQL.

I used to 'optimize' tables weekly, but since switching
SQL engine to InnoDB and using (in local.cf):
  bayes_store_module  Mail::SpamAssassin::BayesStore::MySQL
I'm neglecting this practice. I probably shouldn't,
but I'm not seing any obvious ill effects.

> I also get instances when the mailq builds up and if I disable remote
> tests the queue mail subside???

If a buildup happens when some network tests are unresponsive
(e.g. RBL or URIBL or Razor servers down) and tests run to their timeout 
settings, then it pays off to find a culprit test and temporarily
disable it. Regular network latencies in network SA tests are not
damaging by themselves, they can easily be compensated for by running
more content filters in parallel ($max_servers). Just make sure
to not overdo it, as it may overwhelm host's resources.

  Mark


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