{% load extra_filters extra_tags i18n email_tags %}

{% declare %}
    postal_address = "DZone, Inc. 140 Preston Executive Drive, Cary NC 27513, USA"
{% enddeclare %}

{% trans "Hello" %} {{ recipient.username }},

{% block content %}
{% endblock%}       

Thanks,
{{settings.APP_SHORT_NAME}}

P.S. You can always fine-tune which notifications you receive here:
{{ settings.APP_URL }}{% url user_subscriptions id=recipient.id %}

{{ postal_address }}