fling/src/main/resources/apps/fling/config/org.apache.sling.commons.messaging.mail.internal.SimpleMailBuilder.json

{
  "jcr:primaryType": "sling:OsgiConfig",
  "subject": "message from fling",
  "from": "fling@sling.apache.org",
  "smtpHostname": "localhost",
  "smtpPort": 8025,
  "smtpUsername": "sling",
  "smtpPassword": "fling"
}