app-MAIL-temp/templates/emails/transactional/account-delete.html

{% extends "base.html" %}

{% block content %}
  {% call text() %}
    <h1>
      Your SimpleLogin account has been deleted successfully.
    </h1>
  {% endcall %}

  {% call text() %}
    Thank you for having used SimpleLogin.
  {% endcall %}

  {{ render_text('Best, <br />SimpleLogin Team.') }}
{% endblock %}