Install claws-mail-spamassassin by entering the following commands in the terminal:
sudo apt update sudo apt install claws-mail-spamassassin
Description:
SpamAssassin plugin for Claws Mail
This plugin for Claws Mail will filter all received email through a SpamAssassin daemon to decide if it is spam or not and process them accordingly.
Homepage: http://www.claws-mail.org
Version: 3.16.0-1
Section: universe/mail