Fast, free and open-source spam filtering system.
The next stable release with minor features and bugfixes.
Locaweb is the largest email provider in Brazil, Locaweb supports more than 10 million inbound email addresses and processes more than 200 million email messages a day.
Beyond the Rspamd’s performance can be only compared with some extremely expensive brands available on the market, it has a bunch of powerful features and algorithms that constitute an amazing tool against Spam and other email abuses.
Rspamd is broadly customizable and allows multiple strategies to avoid Spam and false positives. In conclusion, Rspamd team is not only giving an incredible support for Locaweb but it has also been a great partner.