To make @tripleee's perspective here clear: they are one of the primary maintainers of Charcoal's anti-spam SmokeDetector bot. In particular, they more-or-less single-handedly maintain the IP- and DNS-related detection rules, in addition to writing and maintaining other detection rules. SmokeDetector, an entirely community-run project, is one of the network's main defenses against spam. — Ryan M - Regenerate response 35 mins ago