Future work Greylist Synchronization, Blacklist and Whitelist Sharing - Spamd currently doesn't have a good way to keep a greylist in synch between a primary and an off-site mx. It needs this, and will get a simple little protocol to share the greylisting updates Future work to move out to pf tables, allow for sharing with bgp Greylist scanning - probably forthcoming soon. try my prototype.