Thanks, I was looking at the default RBL lists
https://wiki.apache.org/spamassassin/DnsBlocklists But was looking for other things that are free for commercial use. I found this that is possible. http://0spam.fusionzero.com/ but don't know if wanyone had experience with it, or could make other recommendations. >Drop this into your local.cf or similar: >header RCVD_IN_LASHBACK eval:check_rbl('LASHBACK', 'ubl.unsubscore.com') >describe RCVD_IN_LASHBACK LashBack Unsubscribe Blacklist >tflags RCVD_IN_LASHBACK net >score RCVD_IN_LASHBACK 1.2 > I've scored it at 1.2. You may wish to change that, perhaps lower for a > while, while you see how it works in your organization.
