SpamAssassin

# basic options
required_hits 5.0
rewrite_header subject [SPAM: _HITS_]: 
report_safe 0
use_terse_report 0
add_header all Checker-Version SpamAssassin @ ourdom.com

# networks, black and white lists
trusted_networks 10.20/16

whitelist_from *@trusted.ourdom.com
whitelist_from *@localhost

blacklist_from *@spammers.ourdom.com

# locales
ok_languages ru en
ok_locales ru en
report_charset UTF-8

# network checks
skip_rbl_checks 1
use_razor2 1
use_dcc 1
use_pyzor 1

# bayes
use_bayes 1
auto_learn 1
#bayes_path /var/lib/spamassassin/bayes
#bayes_file_mode  0666
bayes_auto_learn_threshold_spam  15
bayes_auto_learn_threshold_nonspam  0.1
bayes_journal_max_size  0
bayes_expiry_max_db_size  200000

# Fixes for russian encodings
# Switch off some rules that detect 8-bit characters,
# which commonly trigger on non-western mails.
score HTML_COMMENT_8BITS  0
score UPPERCASE_25_50     0
score UPPERCASE_50_75     0
score UPPERCASE_75_100    0
score HEAD_ILLEGAL_CHARS  0
score SUBJ_ILLEGAL_CHARS  0
score FROM_ILLEGAL_CHARS  0

# scores go here

# Add your own customised scores for some tests below and override
# default scores which are read from the installed spamassassin rules.

# HTML_* tests - upped most heavily
# since e-mail in HTML is considered harmful
score HTML_EMBEDS 3
score HTML_EVENT 4
score HTML_JAVASCRIPT 3
score HTML_IMAGE_ONLY_02 2
score HTML_IMAGE_ONLY_06 2
score HTML_IMAGE_ONLY_08 2
score HTML_FONTCOLOR_UNKNOWN 3
score HTML_FONT_FACE_BAD 3 
score HTML_FONT_INVISIBLE 2
score HTML_FONTCOLOR_UNSAFE 1
score HTML_MESSAGE 3
score MIME_HTML_ONLY 2
score HTML_70_80 BODY 3
score HTML_60_70 2.5
score HTML_50_60 2.5
score HTML_40_50 2
score HTML_30_40 1.5
score HTML_20_30 1.5
score MIME_HTML_MOSTLY 2
score MIME_HTML_ONLY 2
score MIME_BASE64_TEXT 2.5

score HTTP_EXCESSIVE_ESCAPES 2.5
score MICROSOFT_EXECUTABLE 5

# Spamtalk
score ACT_NOW_CAPS 3
score ORDER_NOW 2
score MANY_EXCLAMATIONS 1.5
score CLICK_BELOW_CAPS 3
score CLICK_BELOW 2
score SAVE_UP_TO 2
score GUARANTEED_100_PERCENT 2
score BIZ_TLD 2
score NIGERIAN_BODY2 2
score NIGERIAN_BODY3 2
score RISK_FREE 1.5
score YOU_WON 1.5
score PRIZE 3
score SELECTED_YOU 2
score BIZ_TLD 4
score MORTGAGE_PITCH 2.5
score BAD_CREDIT 2.5
score THIS_AINT_SPAM 3
score PENIS_ENLARGE2 3
score PENIS_ENLARGE 4
score REMOVE_PAGE 1.5
score MLM 2.5
score CASHCASHCASH 2
score CELEBRITY_PORN 2.5

# Header signatures some spammers use
score TRACKER_ID 4
score X_MSMAIL_PRIORITY_HIGH 2
score FORGED_MUA_OUTLOOK 4.5
score FORGED_EUDORAMAIL_RCVD 3.5
score FORGED_YAHOO_RCVD 3.5
score FORGED_HOTMAIL_RCVD 4.5
score FROM_NO_USER 3
score FORGED_OUTLOOK_TAGS 3
score FORGED_YAHOO_RCVD 2.5