Seconding fdm. I have about 1,000 lines of rules to process when I fetch via POP3 and it has decent debugging facilities as well. Not to mention, it is fast and

Seconding fdm. I have about 1,000 lines of rules to process when I fetch via POP3 and it has decent debugging facilities as well. Not to mention, it is fast and comes with a friendly – but powerful – syntax.