mhout.json.twig

{
  "MySMTP": {
    "name": "MySMTP",
    "host": "{{ mailhog.host }}",
    "port": "{{ mailhog.port }}",
    "username": "{{ mailhog.username }}",
    "password": "{{ mailhog.password }}",
    "mechanism": "{{ mailhog.mechanism }}"
  }
}