I've been tearing my hair out searching for this info. In an attempt to help minimize damage if a clients' infected machine sends spam and puts all my clients on blacklists ( happened over the weekend), I was able to get a /29 IP (5 addresses) for my VPS server. I have found posts on setting up each domain to an IP. But since I have more than 5 domains, I was hoping I could create a virtual group and assign the IP address based on that, i.e.,
and so on. Can anyone point me in the right direction?