{%- set subject = _('Message Not Delivered') %}
{{ subject }}
{{ '=' * subject|length }}

{{ _('Hello,') }}

{{ _('Your message to %(recipient)s could not be delivered for the following reason:', recipient=recipient) }}

    {{ reason }}

--
{{ _('This is an automated message from the mailing list system at %(domain)s. Please do not reply to this email.', domain=domain) }}
