List owner cannot set the rejection message for automatic rejections of emails

Original LP Author: Sumana Harihareswara , LP Link: https://bugs.launchpad.net/bugs/1444700

In http://irc.asynchronous.in/postorius/lists/pycon-sprint.mailman.asynchronous.in/settings/Automatic%20Responses/None I see no option to set the automatic rejection message.