Markem writes:

Teranews and Gravity as a newsreader. Teranews is free ($3.95) initial
charge (keeps the spammers and trolls away). Gravity is free just
search for Tom's Gravity page.

$3.95 is nothing for a spammer. I used to own an ISP and we would get at
least one spammer a month set up an account and pay the $18.95 on a credit
card. That $18.95 wouldn't get them far as they usually were shut down in
an hour or two.

Brian Elfert