What version of spamassassin-dqs do you run? Make sure it is at least v1.0.2, i.e. has the rdns chop [1] in the module.
> Here's the message complete with body - https://pastebin.com/CW7Vj7Yh > This written to my syslog - https://pastebin.com/M12PS1fK [1] https://github.com/spamhaus/spamassassin-dqs/blob/master/SH.pm#L666