On 11/27/2012 07:07 AM, Giuseppe Perna wrote:
Hi all,
I would like to decrease the sensitivity and spam filter because, in
my opinion, it blocks too much email.
You think about what parameters I need to change?
Below the configuration of spamdyke,
the reports of blocked email
configure spamassassin
thanks
spamdyke.conf
#dns-blacklist-entry=zombie.dnsbl.sorbs.net
#dns-blacklist-entry=dul.dnsbl.sorbs.net
#dns-blacklist-entry=bogons.cymru.com
dns-blacklist-entry=zen.spamhaus.org
dns-blacklist-entry=bl.spamcop.net
graylist-dir=/var/spamdyke/graylist
graylist-level=always
graylist-max-secs=2678400
graylist-min-secs=180
greeting-delay-secs=6
idle-timeout-secs=60
ip-blacklist-file=/etc/spamdyke/blacklist_ip
ip-in-rdns-keyword-blacklist-file=/etc/spamdyke/blacklist_keywords
ip-in-rdns-keyword-whitelist-file=/etc/spamdyke/whitelist_keywords
ip-whitelist-file=/etc/spamdyke/whitelist_ip
local-domains-file=/var/qmail/control/rcpthosts
log-level=info
log-target=stderr
max-recipients=50
#policy-url=http://my.policy.explanation.url/
rdns-blacklist-file=/etc/spamdyke/blacklist_rdns
rdns-whitelist-file=/etc/spamdyke/whitelist_rdns
recipient-blacklist-file=/etc/spamdyke/blacklist_recipients
recipient-whitelist-file=/etc/spamdyke/whitelist_recipients
reject-empty-rdns
#reject-ip-in-cc-rdns
reject-missing-sender-mx
reject-unresolvable-rdns
sender-blacklist-file=/etc/spamdyke/blacklist_senders
sender-whitelist-file=/etc/spamdyke/whitelist_senders
tls-certificate-file=/var/qmail/control/servercert.pem
tls-level=smtp
This report was generated Mon Nov 26 11:28:56 2012
999 36.00% DENIED_RDNS_MISSING
763 27.49% DENIED_RDNS_RESOLVE
751 27.06% DENIED_RBL_MATCH
--------------- Breakdown ---------------
-----------------------------------------
117 4.21% DENIED_OTHER
95 3.42% ALLOWED
23 0.82% DENIED_EARLYTALKER
17 0.61% DENIED_SENDER_NO_MX
10 0.36% TIMEOUT
---------------- Summary ----------------
Allowed: 95 3.42%
Timeout: 10 0.36%
Errors : 0 0.00%
Denied : 2670 96.21%
Total : 2775 100.00%
/etc/mail/spamassassin/local.cf
ok_locales all
skip_rbl_checks 1
required_score 5
report_safe 0
rewrite_header Subject ***SPAM***
use_pyzor 1
use_auto_whitelist 1
use_bayes 1
use_bayes_rules 1
bayes_auto_learn 1
thanks
---------------------------------------------------------------------
Your configurations look ok to me. Pretty close to what I'm using.
You might try turning graylisting off. For me graylisting has gotten to
be more annoying than effective.
What leads you to believe that too much email is being blocked? Have you
found any example of a False Positive?
--
-Eric 'shubes'
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