This file is indexed.

/usr/share/sendmail/cf/feature/badmx.m4 is in sendmail-cf 8.15.2-8.

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
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
divert(-1)
#
# Copyright (c) 2006 Proofpoint, Inc. and its suppliers.
#	All rights reserved.
#
# By using this file, you agree to the terms and conditions set
# forth in the LICENSE file which can be found at the top level of
# the sendmail distribution.
#
#

divert(0)
VERSIONID(`$Id: badmx.m4,v 1.2 2013-11-22 20:51:11 ca Exp $')
divert(-1)

define(`_BADMX_CHK_', 1)

LOCAL_CONFIG
Kmxlist bestmx -z: -T<TEMP>
Kbadmx regex -a<BADMX> ^(([0-9]{1,3}\.){3}[0-9]){0,1}\.$
KdnsA dns -R A -a. -T<TEMP>
KBadMXIP regex -a<BADMXIP> ifelse(defn(`_ARG_'), `', `^(127\.|10\.|0\.0\.0\.0)', `_ARG_')