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I am trying to create a SMTP Relay server. I want to securely accept email request and process them. I need the ability to use as many IPs as I want on a rotating basis. I believe PostFix can do this in Linux Centos.
I will provide a fresh server and roughly 10 IPs starting out. I have server experience, but I need the system optimized to be able to track email statistics like Spam Complaints, Bounces, Delivered Emails, etc.
I prefer someone that has done this before.