how to set up account recovery in dataverse

Can anyone help me with how to fill in the fields.
 
Do I need to create an account on this Mail relay site?

Where can I find this information

# mail relay
#system_email=system_email
#mailhost=mailhost
#mailuser=mailuser
#no_reply_email=no_reply_email
#smtp_password=smtp_password
#smtp_port=smtp_port
#socket_port=socket_port