Public bug reported: If a content filtered message is other than single part text/plain, msg_header and msg_footer are added as separate MIME parts if they are non-empty even if they consist only of white space. msg_header and msg_footer consisting of only white space should be treated as empty and not added. ** Affects: mailman Importance: Low Assignee: Mark Sapiro (msapiro) Status: New -- You received this bug notification because you are a member of Mailman Coders, which is subscribed to GNU Mailman. https://bugs.launchpad.net/bugs/1673307 Title: msg_header and/or msg_footer can be added as a separate MIME part even if only whitespace. To manage notifications about this bug go to: https://bugs.launchpad.net/mailman/+bug/1673307/+subscriptions