Install claws-mail-spam-report by entering the following commands in the terminal:
sudo apt update sudo apt install claws-mail-spam-report
Description:
Spam reporting plugin for Claws Mail
This plugin for Claws Mail allows sending reports about spam messages received to spam harvesting sites online. . Currently are supported the signal-spam.fr and spamcop.net sites and also the Debian lists spam nomination system.
Homepage: http://www.claws-mail.org
Version: 3.16.0-1
Section: universe/mail