This file is indexed.

/usr/lib/courier/couriermlm/modrejbody.tmpl is in courier-mlm 0.78.0-2ubuntu2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

1
2
3
4
5
6
7
8
Content-Type: text/plain; charset=iso-8859-1

Hello, this is the Courier mailing list manager.  I manage the mailing
list <####>.

Your following message to the mailing list was not approved by the
moderator, and is being returned to you.  This is a moderated mailing
list, and all messages are subject to moderator's approval.