Rspamd is a complex spam filter that allows to estimate messages by many rules, statistical data and custom services like URL black lists.
Each message is estimated by rspamd and got so called spam score
.
According to spam score and a user`s settings rspamd send recommended action for this message to MTA.
Rspamd has own unique features among spam filters:
All these features allow rspamd to process messages fast and make good results in spam filtering.