The title is a little strange. I don't know what to say.
Hello
The mail server broke this time, so I changed it.
But there was a problem, so I'm writing to ask for help.
The existing web server uses 1.1.1.1 IP
Existing email servers write 2.2.2.2 IP.
Let's say the newly built mail server is 3.3.3.3
The domain wrote example.ex.kr.
before building
If you search example.ex.kr on the Internet browser, you can connect to 1.1.1.1
The mail went into 2.2.2.2
But the situation right now
If you type example.ex.kr in your browser, you can go to 3.3.3.3
Mail also enters 3.3.3.3.
How do I separate this?
Connect to example.ex.kr >> 1.1.1.1 from the browser
From Mail to example.ex.kr >> 3.3.3.3
DNS server settings appear to have changed. You can change the DNS settings accordingly.
Let me summarize the situation.
You can change the settings on the DNS server. You can change the mail server to 3.3.3.3 using MX records and the main server to 1.1.1.1.
This is a reference site.
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