After migration, when DNS is still pointing globally to the old server, if it is required to check the content of the mailbox how to access it via webmail interface?
Add new server IP and webmail host name into the
hosts file located on your workstation.
- For Windows into:
- For MacOS into:
If there is any domain with webmail that resolves to the new server, access it and specify login credentials for the mailbox you wish to access.