Can you please suggest what went wrong?
[root@stapp01 ~]# ssh email@example.com
The authenticity of host ‘172.16.238.10 (172.16.238.10)’ can’t be established.
ECDSA key fingerprint is SHA256:piuKeEVGLN6vHokyWOfV6diwsG4l5LJfXHf7ThSiEA0.
ECDSA key fingerprint is MD5:7d:ff:fb:0b:d7:34:0e:f3:49:7e:be:7d:fe:50:ab:c6.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added ‘172.16.238.10’ (ECDSA) to the list of known hosts.
This service allows sftp connections only.
Connection to 172.16.238.10 closed.