from <%= @nagios_alert_email %>
user postmaster@nagios.<%= @hosts_domain %>
password <%= @nagios_mail_password %>

host <%= @nagios_mail_host %>
port 587
auth on

protocol smtp

maildomain <%= @nagios_mail_domain %>
domain <%= @nagios_mail_domain %>

tls on
tls_trust_file /etc/ssl/certs/ca-certificates.crt