Sooooo... I'm no expert at this but I have been running my own sites and mail servers for many years now but only with aid and help of ISPconfig...
Bottom line: The wrong domain is being returned to rDNS queries. I know PTR records aren't required and are somewhat controversial. The decision...
I am so frustrated, my server's ip is still listed on some of the blacklist sites. I have all servers on one machine, one ip (web, dns, email...
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