v3.1 configuration example

PowerMTA basic source authentication

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

<source 192.0.2.10>
  smtp-service yes
  always-allow-relaying yes
  require-auth true
</source>

<smtp-user app01>
  password CHANGE-ME
  source {auth-app01}
</smtp-user>

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