Install sylfilter by entering the following commands in the terminal:
sudo apt update sudo apt install sylfilter
Description:
generic spam filter tool
SylFilter is a generic message filter library and command-line tools. It provides a bayesian filter which is very popular as an algorithm for spam filtering. SylFilter also supports multilingual and can be applied to any languages. It is implemented with C language and runs fast with small resources. . - Very lightweight and fast - Provides learning-type junk filter - Easy-to-use command line tool - Multilingual support (including CJKV) - Supports several embedded databases (SQLite and QDBM)
Homepage: https://sylpheed.sraoss.jp/sylfilter/
Version: 0.8-6
Section: universe/utils