mailcow-dockerized/data/conf/rspamd/local.d/composites.conf

MX_IMPLICIT {
  expression = "MX_GOOD & MX_MISSING";
  score = -0.01;
}
VIRUS_FOUND {
  expression = "CLAM_VIRUS & !MAILCOW_WHITE";
  score = 2000.0;
}
# Bad policy from free mail providers
FREEMAIL_POLICY_FAILURE {
  expression = " -g+:policies & !DMARC_POLICY_ALLOW & ( FREEMAIL_ENVFROM | FREEMAIL_FROM ) & !WHITELISTED_FWD_HOST";
  score = 16.0;
}
# Bad policy from non-whitelisted senders
# Remove SOGO_CONTACT symbol for fwd hosts and senders with broken policy
SOGO_CONTACT_EXCLUDE {
  expression = "(-WHITELISTED_FWD_HOST | -g+:policies) & ^SOGO_CONTACT & !DMARC_POLICY_ALLOW";
}
# Spoofed header from and broken policy (excluding sieve host, rspamd host, whitelisted senders, authenticated senders and forward hosts)
SPOOFED_UNAUTH {
  expression = "!MAILCOW_AUTH & !MAILCOW_WHITE & !RSPAMD_HOST & !SIEVE_HOST & MAILCOW_DOMAIN_HEADER_FROM & !WHITELISTED_FWD_HOST & -g+:policies";
  score = 50.0;
}
# Only apply to inbound unauthed and not whitelisted
OLEFY_MACRO {
  expression = "!MAILCOW_AUTH & !MAILCOW_WHITE & OLETOOLS";
  score = 20.0;
  policy = "remove_weight";
}
# Applies to a content filter map
BAD_WORD_BAD_TLD {
  expression = "FISHY_TLD & ( BAD_WORDS | BAD_WORDS_DE )"
  score = 10.0;
}
# Forged with bad policies and not fwd host, keep bad policy symbols
FORGED_W_BAD_POLICY {
  expression = "( -g+:policies | -R_SPF_NA) & ( ~FROM_NEQ_ENVFROM | ~FORGED_SENDER ) & !WHITELISTED_FWD_HOST & !DMARC_POLICY_ALLOW"
  score = 3.0;
}
# Keep negative (good) scores for rbl, policies and hfilter, disable neural group
WL_FWD_HOST {
  expression = "-WHITELISTED_FWD_HOST & (^g+:rbl | ^g+:policies | ^g+:hfilter | ^g:neural)"
}
# Exclude X-Spam like flags from scoring from fwd and sieve hosts
UPSTREAM_CHECKS_EXCLUDE_FWD_HOST {
  expression = "(-SIEVE_HOST | -WHITELISTED_FWD_HOST) & (^UNITEDINTERNET_SPAM | ^SPAM_FLAG | ^KLMS_SPAM | ^AOL_SPAM | ^MICROSOFT_SPAM)"
}
# Remove fuzzy group from bounces
BOUNCE_FUZZY {
  expression = "-BOUNCE & ^g+:fuzzy";
}