docker-mailserver/target/rspamd/local.d/actions.conf

# documentation: https://rspamd.com/doc/configuration/metrics.html#actions
# and            https://rspamd.com/doc/configuration/metrics.html

# These values work in conjunction with the symbol scores in
# `scores.d/*.conf`. When adjusting them, make sure to understand
# and to be able to explain the impact on the whole system.
greylist = 4;
add_header = 6;
reject = 11;

# The value `null` disabled the action. A subject rewrite is handled by `SPAM_SUBJECT`:
# https://docker-mailserver.github.io/docker-mailserver/latest/config/environment/#spam_subject
#
# The reasoning for this can be found in
# https://github.com/docker-mailserver/docker-mailserver/issues/3804
rewrite_subject = null;