How to tune RBL checks and Spam score

[Magda Hewryk]

Hi,

Two questions about scoring SPAM because thousands of emails on our system
are not flagged correctly as SPAM:

1.)
I'd like all emails detected by RBL as spam to be marked as spam,
regardless of the required SpamAssassin score.
How can I accomplish it?
For example the following email was not marked as spam  and it was a spam.

LOG:
=======
30 07:59:32 host MailScanner[5299]: RBL checks: iBUCxTIt027267 found in
SBL+XBL, DSBL, spamcop.net
Dec 30 07:59:43 mailgw02 MailScanner[5299]: Message iBUCxTIt027267 from
99.99.99.99  (ixxx at fxxx.com) to xxx.com  i
s spam, SBL+XBL, DSBL, spamcop.net, SpamAssassin (score=0.704, required
4.9, BAYES_44 -0.00, MSGID_FROM_MTA_HEADER 0.70)
Dec 30 07:59:43 hostMailScanner[5299]: Spam Checks: Found 1 spam messages
Dec 30 07:59:43 host  MailScanner[5299]: Spam Actions: message
iBUCxTIt027267 actions are deliver

2.)
How can I make sure BAYES_xx doesn't sscore   with eg. "1-1.43"?

LOG:
========
Dec 28 14:19:46 host MailScanner[26230]: Spam Checks: Starting
Dec 28 14:19:46 host  MailScanner[26230]: RBL checks: iBSJJdvB029996 found
in SBL+XBL, DSBL, spamcop.net
Dec 28 14:19:48 host MailScanner[26230]: Message iBSJJdvB029996 from
99.99.99.99(rxxx at base.com.br) to xxx.com is
spam, SBL+XBL, DSBL, spamcop.net, SpamAssassin (score=-1.428, required 4.9,
autolearn=not spam, BAYES_20 -1.43)
Dec 28 14:19:48 mailgw01 MailScanner[26230]: Spam Checks: Found 1 spam
messages

Thanks,

Magda Hewryk
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