v3.1 configuration example

PowerMTA virtual MTA

Review and adapt this example to your topology, product version and security requirements.

<virtual-mta outbound-01>
  smtp-source-host 192.0.2.21 mail21.example.net
  domain-key dkim,example.net,/etc/pmta/dkim/example.net.pem
</virtual-mta>

Important: replace example addresses, credentials, hostnames and paths. Validate syntax before deployment.