I have an issue where the IP of my server has been blacklisted by hotmail and none of my clients can send to those emails. Hotmail will not answer me or give me an explanation of why they blacklisted me. I'm trying to figure out if there is any way to add another public IP address to the EC2 instance without remove the current one. I really don't want to go through the process of changing the IP on cPanel. So the questions are these? Do I have to change the IP completely? Can I add a new public IP address without releasing the previous one? Is there another way of fixing this situation? Any help is appreciated.
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