blocking spam

I have a customer thats getting some of these getting through to them: Oct 22 18:34:59 swarmx2 postfix/smtpd[251329]: warning: hostname valuemail.click does not resolve to address 116.204.183.235 Oct 22 18:34:59 swarmx2 postfix/smtpd[251329]: connect from unknown[116.204.183.235] Oct 22...

Hi there, I tried to configure some SpamAssassin custom rules on our PMG (/etc/mail/spamassassin/custom.cf, then spamassassin --lint, then pmgconfig sync --restart 1 and systemctl restart pmg-smtp-filter) using accents from Brazilian Portuguese and it's not working as expected. The rules are...