What should I do after switching the IP address of the U-mail system?

Q:The newly installed U-mail system is running properly. Because of switching from the old system, you need to change the IP address of the server where the U-mail system software is installed. I tried it and simply modified the IP address of the server and it was not working properly, you can only view the IIS screen in the browser. Which of the following areas need to be modified. I remember that when installing the U-mail system, you need to fill in the IP address. If you change the IP address of the server, you will not have to reinstall U-mail.

A:

1. If only the IP address of the local server is changed. The public IP Address has not changed.

You only need to find the IIS manager --- U-mail webmail website, right-click Properties, and click website --- advanced

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In the displayed dialog box, change the Host Header IP address to a new IP address.

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2. If you have changed the public IP address, You Need To reresolve the domain name.