Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of
rules including regular expressions, statistical analysis and custom services
such as URL black lists. Each message is analysed by Rspamd and given a spam score.
According to this spam score and the user’s settings, Rspamd recommends an action for
the MTA to apply to the message, for example, to pass, reject or add a header.
Rspamd is designed to process hundreds of messages per second simultaneously, and provides a number of