Kibana Hostname/IP does not match certificate's

Elastic Stack Kibana
1

Hi
please help me

What is the cause of this error in kibana?

scmail: error sending email: Hostname/IP does not match certificate's altnames: IP: 192.168.18.220 is not in the cert's list: "}

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2

my kibana version is 7.15.1
IP: [192.168.18.237] is ip mail server

3

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