Not a huge fan of sieve either. For spam filtering, I've spent some time over the last few years tweaking spamassassin weights and have had pretty decent result

Not a huge fan of sieve either. For spam filtering, I've spent some time over the last few years tweaking spamassassin weights and have had pretty decent results with that. I think this was the one I started with for SA which was pretty decent then did some additional tweaks based on what I was seeing come in https://gist.github.com/ishmaelen/6c7a209dd00f9d2b968fd2bb0e8d3729 https://gist.github.com/ishmaelen/6c7a209dd00f9d2b968fd2bb0e...