Before you change the address of the node in Kaspersky Secure Mail Gateway, it is recommended to make sure the new network settings of the operating system have been applied.
To test the network settings of the operating system of a cluster node:
ip address
ip route
cat /etc/resolv.conf
host <domain name of the node>
If the record for the domain name of the node is not found on the DNS server, check if the network settings are specified correctly. If necessary, modify the network settings of the operating system.
hostnamectl set-hostname <new domain name of the host
>
hostnamectl status
The output includes the line static hostname
with the assigned domain name of the cluster node.
As a result, the network settings of the operating system on node are tested.
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