[Users] Blacklist?

[Paul]

On Wed, 28 Dec 2016 16:18:13 -0500
David Burleigh <david.burleigh at gmx.com> wrote: 

> Ok, thank you to all. I'll dispense with Spam Assassin and just use
> filters.

You can use spamassassin from filtering rather than the plugin.

http://www.claws-mail.org/faq/index.php/Filtering_and_Processing_of_Messages#How_do_I_configure_a_filter_for_running_SpamAssassin.3F

with regards

Paul