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

# If false, messages with empty envelope from are not signed
allow_envfrom_empty = true;
# If true, envelope/header domain mismatch is ignored
allow_hdrfrom_mismatch = true;
# If true, multiple from headers are allowed (but only first is used)
allow_hdrfrom_multiple = false;
# If true, username does not need to contain matching domain
allow_username_mismatch = false;
# If false, messages from authenticated users are not selected for signing
sign_authenticated = false;
# Default path to key, can include '$domain' and '$selector' variables
path = "/data/dkim/keys/$domain.dkim";
# Default selector to use
selector = "dkim";
# If false, messages from local networks are not selected for signing
sign_local = false;
# Symbol to add when message is signed
symbol = "ARC_SIGNED";
# Whether to fallback to global config
try_fallback = true;
# Domain to use for DKIM signing: can be "header" or "envelope"
use_domain = "recipient";
# Whether to normalise domains to eSLD
use_esld = false;
# Whether to get keys from Redis
use_redis = true;
# Hash for DKIM keys in Redis
key_prefix = "DKIM_PRIV_KEYS";
# Selector map
selector_prefix = "DKIM_SELECTORS";
sign_inbound = true;
use_domain_sign_inbound = "recipient";