# m  h   dom mon dow     user   command
# Envoyer les mails en attente
 *   *     *   *   *     root   cd /code && python manage.py send_mail -c 1
 *   *     *   *   *     root   cd /code && python manage.py retry_deferred -c 1
 00  0     *   *   *     root   cd /code && python manage.py purge_mail_log 7 -c 1