ansible-role-postfix/templates/postfix/conf.d/bad_smtp_auth_users.j2

{{ ansible_managed | comment }}

# Use this file to block SMTP-Auth access for users.
# Example:
# username   REJECT

{% if postfix_bad_smtp_auth_users is defined %}
{% for user in postfix_bad_smtp_auth_users %}
{{ "%-30s %s" | format(user, "REJECT") }}
{% endfor %}
{% endif %}