For a while, my Centos7 build was doing a pretty good job; once I enabled Pyzor and blocked a number of suspect TLDs, I was getting spam rejection rates averaging around 90%, but over the last month or so it’s dropped to more like 65%.
I can’t see any obvious reasons for this; nothing unexpected in logs as far as I can tell. I’ve been saving spam that got through, and I’ve got a body of about 1500 spam messages now. I’m reading conflicting advice regarding the use of sa-learn. If I run it against this body to teach it spam, do I also need to do a “ham” run against OK mail? And are these numbers high enough, or should I wait until I have more? Or is it risky to do that at all? Any advice for tuning this thing up? The spam problem seems to be getting worse lately. Thanks for any ideas. -- Steve Linberg, Chief Goblin Silicon Goblin Technologies http://silicongoblin.com Be kind. Remember, everyone you meet is fighting a hard battle.
