rspamd/conf/modules.d/fuzzy_check.conf

# Please don't modify this file as your changes might be overwritten with
# the next update.
#
# You can modify 'local.d/fuzzy_check.conf' to add and merge
# parameters defined inside this section
#
# You can modify 'override.d/fuzzy_check.conf' to strictly override all
# parameters defined inside this section
#
# See https://rspamd.com/doc/faq.html#what-are-the-locald-and-overrided-directories
# for details
#
# Module documentation can be found at  https://rspamd.com/doc/modules/fuzzy_check.html

fuzzy_check {
  min_bytes = 1k; # Since small parts and small attachments causes too many FP
  timeout = 2s;
  retransmits = 1;
  rule "rspamd.com" {
    algorithm = "mumhash";
    servers = "round-robin:fuzzy1.rspamd.com:11335,fuzzy2.rspamd.com:11335";
    encryption_key = "icy63itbhhni8bq15ntp5n5symuixf73s1kpjh6skaq4e7nx5fiy";
    symbol = "FUZZY_UNKNOWN";
    mime_types = ["*"];
    max_score = 20.0;
    read_only = yes;
    skip_unknown = yes;
    short_text_direct_hash = true;
    fuzzy_map = {
      FUZZY_DENIED {
        max_score = 20.0;
        flag = 1;
      }
      FUZZY_PROB {
        max_score = 10.0;
        flag = 2;
      }
      FUZZY_WHITE {
        max_score = 2.0;
        flag = 3;
      }
    }
  }
  # Include dynamic conf for the rule
  .include(try=true,priority=5) "${DBDIR}/dynamic/fuzzy_check.conf"
  .include(try=true,priority=1,duplicate=merge) "$LOCAL_CONFDIR/local.d/fuzzy_check.conf"
  .include(try=true,priority=10) "$LOCAL_CONFDIR/override.d/fuzzy_check.conf"
}