SecZim is described as 'Take full control of your email security with real-time monitoring, advanced security policies, auto anomaly detection, intelligent blacklisting, and rate-limiting' and is a Anti-Spam tool in the security & privacy category. There are 2 alternatives to SecZim for Linux, BSD and Self-Hosted. The best SecZim alternative is SpamAssassin, which is both free and Open Source.
Use this program to "Unspam" your mailbox(es). The program can be integrated with the mail server to automatically filter all mail for a site. It can also be run by individual users on their own mailbox and integrates with several mail programs.
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.
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