ansible-playbooks/roles/common/templates/postfix/sasl_sender_relay.j2

{% if ansible_prolog -%}
{% from 'templates/ansible/prolog.j2' import prolog with context %}
{{ prolog() }}
{% endif -%}
{% if postfix_external_smtp_relays %}
{% for relay in postfix_external_smtp_relays %}
{{ relay.email }} [{{ relay.hostname }}]:{{ relay.port }}
{% endfor %}
{% endif %}