One of the places at which I do IT work runs a Microsoft Exchange 2003 Server for their email. They’d be having spam issues for quite some time, but were mostly resigned to turning on junkmail filtering, adding custom rulesets, and creating white and blacklists. Sometimes mails would go missing, but with the filter spaghetti, it was hard to tell where or why. MS, of course introduced IMF, but that was basically the equivalent of trying to stop a rushing river with a paper plate.
When I started working for them, one of the things I wanted to do was end this mess. (more…)