Fix side effects with csrf token, add csrf_token to every post form + add ajax (see http://stackoverflow.com/questions/5100539/django-csrf-check-failing-with-an-ajax-post-request), remove django.middleware.csrf.CsrfViewMiddleware ?!
{% load i18n %}{% autoescape off %}{% block content %}{% endblock %}
{% blocktrans with SITE_URL as SITE_URL and notification.desactivate_notification_url as desactivate_notification_url %}If you'd like to unsubscribe from this notification, click the following link: {{ SITE_URL }}{{ desactivate_notification_url }}.{% endblocktrans %}
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{{ CONF.workspace_name }}
{{ CONF.site_url }}
{% endautoescape %}