Re:Mail-in-a-Box – one-click, easy-to-deploy email server
by eikenberry on Sunday November 27, 2016 @06:06PM
(#13052168)
Not something I can run, but http://www.mailradar.com/ seems like a better free service. They let you monitor 5 IPs for inclusion on blacklists which works better for a personal setup where you might have more than 1 domain but wouldn't have more than a couple VMs as the MX servers.
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