mailcow/data/conf/rspamd/local.d/multimap.conf

RCPT_MAILCOW_DOMAIN {
  type = "rcpt";
  filter = "email:domain";
  map = "redis://DOMAIN_MAP";
}

RCPT_WANTS_SUBJECT_TAG {
  type = "rcpt";
  filter = "email:addr"
  map = "redis://RCPT_WANTS_SUBJECT_TAG";
}

WHITELISTED_FWD_HOST {
  type = "ip";
  map = "redis://WHITELISTED_FWD_HOST";
}

KEEP_SPAM {
  type = "ip";
  map = "redis://KEEP_SPAM";
  action = "accept";
}

SPOOFED_SENDER {
  type = "rcpt";
  filter = "email:domain:tld";
  map = "redis://DOMAIN_MAP";
  require_symbols = "AUTH_NA | !RCVD_VIA_SMTP_AUTH";
}