$ diff -ruN Pkgfile Pkgfile.test
--- Pkgfile     2006-06-26 18:59:03.000000000 +0200
+++ Pkgfile.test        2006-06-26 18:59:51.000000000 +0200
@@ -47,5 +47,6 @@

     chown -R root.root $PKG
     chmod -R +w $PKG
-    chmod 4755 $PKG/usr/sbin/sendmail
+    #chmod 4755 $PKG/usr/sbin/sendmail
+    ls -la $PKG/usr/sbin
 }

....
=======> Build result:
drwxr-xr-x root/root         0 2006-06-26 18:50:35 etc/
drwxr-xr-x root/root         0 2006-06-26 18:51:17 etc/mail/
drwxr-xr-x root/root         0 2006-06-26 18:51:17 etc/mail/cf/
drwxr-xr-x root/root         0 2006-06-26 18:51:17 etc/mail/cf/cf/
-rw-r--r-- root/root     41320 2006-06-26 18:51:17 etc/mail/cf/cf/generic-linux.cf
-rw-r--r-- root/root       800 2006-06-26 18:51:17 etc/mail/cf/cf/generic-linux.mc
drwxr-xr-x root/root         0 2006-06-26 18:51:17 etc/mail/cf/m4/
-rw-r--r-- root/root       837 2006-06-26 18:51:17 etc/mail/cf/m4/cf.m4
-rw-r--r-- root/root    113224 2006-06-26 18:51:17 etc/mail/cf/m4/proto.m4
-rw-r--r-- root/root       583 2006-06-26 18:51:17 etc/mail/cf/m4/version.m4
-rw-r--r-- root/root     12144 2006-06-26 18:51:17 etc/mail/cf/m4/cfhead.m4
drwxr-xr-x root/root         0 2006-06-26 18:51:17 etc/mail/cf/sh/
-rw-r--r-- root/root      1128 2006-06-26 18:51:17 etc/mail/cf/sh/makeinfo.sh
-rw-r--r-- root/root    182852 2006-06-26 18:51:17 etc/mail/cf/README
drwxr-xr-x root/root         0 2006-06-26 18:51:17 etc/mail/cf/feature/
-rw-r--r-- root/root      1162 2006-06-26 18:51:17 etc/mail/cf/feature/mtamark.m4
-rw-r--r-- root/root      1192 2006-06-26 18:51:17 etc/mail/cf/feature/nullclient.m4
-rw-r--r-- root/root      1924 2006-06-26 18:51:17 etc/mail/cf/feature/ldap_routing.m4
-rw-r--r-- root/root       711 2006-06-26 18:51:17 etc/mail/cf/feature/use_ct_file.m4
-rw-r--r-- root/root      1023 2006-06-26 18:51:17 etc/mail/cf/feature/virtusertable.m4
-rw-r--r-- root/root       501 2006-06-26 18:51:17 etc/mail/cf/feature/use_client_ptr.m4
-rw-r--r-- root/root      1017 2006-06-26 18:51:17 etc/mail/cf/feature/mailertable.m4
-rw-r--r-- root/root      1753 2006-06-26 18:51:17 etc/mail/cf/feature/enhdnsbl.m4
-rw-r--r-- root/root       770 2006-06-26 18:51:17 etc/mail/cf/feature/delay_checks.m4
-rw-r--r-- root/root      1161 2006-06-26 18:51:17 etc/mail/cf/feature/ratecontrol.m4
-rw-r--r-- root/root       386 2006-06-26 18:51:17 etc/mail/cf/feature/no_default_msa.m4
-rw-r--r-- root/root       399 2006-06-26 18:51:17 etc/mail/cf/feature/loose_relay_check.m4
-rw-r--r-- root/root       556 2006-06-26 18:51:17 etc/mail/cf/feature/limited_masquerade.m4
-rw-r--r-- root/root       504 2006-06-26 18:51:17 etc/mail/cf/feature/local_no_masquerade.m4
-rw-r--r-- root/root       696 2006-06-26 18:51:17 etc/mail/cf/feature/relay_mail_from.m4
-rw-r--r-- root/root      1161 2006-06-26 18:51:17 etc/mail/cf/feature/conncontrol.m4
-rw-r--r-- root/root       630 2006-06-26 18:51:17 etc/mail/cf/feature/lookupdotdomain.m4
-rw-r--r-- root/root       741 2006-06-26 18:51:17 etc/mail/cf/feature/nocanonify.m4
-rw-r--r-- root/root       616 2006-06-26 18:51:17 etc/mail/cf/feature/notsticky.m4
-rw-r--r-- root/root       398 2006-06-26 18:51:17 etc/mail/cf/feature/relay_hosts_only.m4
-rw-r--r-- root/root       397 2006-06-26 18:51:17 etc/mail/cf/feature/virtuser_entire_domain.m4
-rw-r--r-- root/root      1000 2006-06-26 18:51:17 etc/mail/cf/feature/bitdomain.m4
-rw-r--r-- root/root       514 2006-06-26 18:51:17 etc/mail/cf/feature/blacklist_recipients.m4
-rw-r--r-- root/root       622 2006-06-26 18:51:17 etc/mail/cf/feature/queuegroup.m4
-rw-r--r-- root/root      1873 2006-06-26 18:51:17 etc/mail/cf/feature/access_db.m4
-rw-r--r-- root/root       831 2006-06-26 18:51:17 etc/mail/cf/feature/redirect.m4
-rw-r--r-- root/root       871 2006-06-26 18:51:17 etc/mail/cf/feature/authinfo.m4
-rw-r--r-- root/root       692 2006-06-26 18:51:17 etc/mail/cf/feature/always_add_domain.m4
-rw-r--r-- root/root       548 2006-06-26 18:51:17 etc/mail/cf/feature/preserve_luser_host.m4
-rw-r--r-- root/root       589 2006-06-26 18:51:17 etc/mail/cf/feature/relay_local_from.m4
-rw-r--r-- root/root       555 2006-06-26 18:51:17 etc/mail/cf/feature/promiscuous_relay.m4
-rw-r--r-- root/root      2979 2006-06-26 18:51:17 etc/mail/cf/feature/msp.m4
-rw-r--r-- root/root       420 2006-06-26 18:51:17 etc/mail/cf/feature/accept_unresolvable_domains.m                                    4
-rw-r--r-- root/root       558 2006-06-26 18:51:17 etc/mail/cf/feature/masquerade_envelope.m4
-rw-r--r-- root/root       847 2006-06-26 18:51:17 etc/mail/cf/feature/nouucp.m4
-rw-r--r-- root/root       417 2006-06-26 18:51:17 etc/mail/cf/feature/accept_unqualified_senders.m4
-rw-r--r-- root/root      1156 2006-06-26 18:51:17 etc/mail/cf/feature/compat_check.m4
-rw-r--r-- root/root      1149 2006-06-26 18:51:17 etc/mail/cf/feature/local_procmail.m4
-rw-r--r-- root/root       568 2006-06-26 18:51:17 etc/mail/cf/feature/masquerade_entire_domain.m4
-rw-r--r-- root/root       770 2006-06-26 18:51:17 etc/mail/cf/feature/use_cw_file.m4
-rw-r--r-- root/root       496 2006-06-26 18:51:17 etc/mail/cf/feature/relay_based_on_MX.m4
-rw-r--r-- root/root       397 2006-06-26 18:51:17 etc/mail/cf/feature/generics_entire_domain.m4
-rw-r--r-- root/root       793 2006-06-26 18:51:17 etc/mail/cf/feature/local_lmtp.m4
-rw-r--r-- root/root       413 2006-06-26 18:51:17 etc/mail/cf/feature/preserve_local_plus_detail.m4
-rw-r--r-- root/root      1026 2006-06-26 18:51:17 etc/mail/cf/feature/genericstable.m4
-rw-r--r-- root/root      1691 2006-06-26 18:51:17 etc/mail/cf/feature/bestmx_is_local.m4
-rw-r--r-- root/root      1254 2006-06-26 18:51:17 etc/mail/cf/feature/greet_pause.m4
-rw-r--r-- root/root       769 2006-06-26 18:51:17 etc/mail/cf/feature/smrsh.m4
-rw-r--r-- root/root       753 2006-06-26 18:51:17 etc/mail/cf/feature/allmasquerade.m4
-rw-r--r-- root/root      1013 2006-06-26 18:51:17 etc/mail/cf/feature/domaintable.m4
-rw-r--r-- root/root       404 2006-06-26 18:51:17 etc/mail/cf/feature/relay_entire_domain.m4
-rw-r--r-- root/root       994 2006-06-26 18:51:17 etc/mail/cf/feature/uucpdomain.m4
-rw-r--r-- root/root       549 2006-06-26 18:51:17 etc/mail/cf/feature/stickyhost.m4
-rw-r--r-- root/root      1294 2006-06-26 18:51:17 etc/mail/cf/feature/dnsbl.m4
drwxr-xr-x root/root         0 2006-06-26 18:51:17 etc/mail/cf/domain/
-rw-r--r-- root/root       998 2006-06-26 18:51:17 etc/mail/cf/domain/generic.m4
drwxr-xr-x root/root         0 2006-06-26 18:51:17 etc/mail/cf/mailer/
-rw-r--r-- root/root      2802 2006-06-26 18:51:17 etc/mail/cf/mailer/cyrus.m4
-rw-r--r-- root/root      1133 2006-06-26 18:51:17 etc/mail/cf/mailer/cyrusv2.m4
-rw-r--r-- root/root      1303 2006-06-26 18:51:17 etc/mail/cf/mailer/procmail.m4
-rw-r--r-- root/root      5689 2006-06-26 18:51:17 etc/mail/cf/mailer/smtp.m4
-rw-r--r-- root/root      1158 2006-06-26 18:51:17 etc/mail/cf/mailer/fax.m4
-rw-r--r-- root/root      1084 2006-06-26 18:51:17 etc/mail/cf/mailer/pop.m4
-rw-r--r-- root/root      3631 2006-06-26 18:51:17 etc/mail/cf/mailer/local.m4
-rw-r--r-- root/root      5540 2006-06-26 18:51:17 etc/mail/cf/mailer/uucp.m4
-rw-r--r-- root/root      1089 2006-06-26 18:51:17 etc/mail/cf/mailer/phquery.m4
-rw-r--r-- root/root      2062 2006-06-26 18:51:17 etc/mail/cf/mailer/mail11.m4
-rw-r--r-- root/root      1119 2006-06-26 18:51:17 etc/mail/cf/mailer/usenet.m4
-rw-r--r-- root/root      1105 2006-06-26 18:51:17 etc/mail/cf/mailer/qpage.m4
drwxr-xr-x root/root         0 2006-06-26 18:51:17 etc/mail/cf/ostype/
-rw-r--r-- root/root       641 2006-06-26 18:51:17 etc/mail/cf/ostype/linux.m4
-rw-r--r-- root/root       202 2006-06-26 18:51:17 etc/mail/Makefile
-rw-r--r-- root/root     40570 2006-06-26 18:51:17 etc/mail/sendmail.cf
-rw-r--r-- root/root       344 2006-06-26 18:51:17 etc/mail/sendmail.mc
-rw-r--r-- root/root         0 2006-06-26 18:51:17 etc/mail/local-host-names
-rw-r--r-- root/root         0 2006-06-26 18:51:17 etc/mail/aliases.db
-rw-r--r-- root/root       312 2006-06-26 18:51:17 etc/mail/aliases
drwxr-xr-x root/root         0 2006-06-26 18:51:17 etc/rc.d/
-rwxr-xr-x root/root       461 2006-06-26 18:51:17 etc/rc.d/sendmail
drwxr-xr-x root/root         0 2006-06-26 18:50:39 usr/
drwxr-xr-x root/root         0 2006-06-26 18:51:19 usr/bin/
lrwxrwxrwx root/root         0 2006-06-26 18:51:17 usr/bin/mailq -> ../sbin/sendmail
lrwxrwxrwx root/root         0 2006-06-26 18:51:17 usr/bin/newaliases -> ../sbin/sendmail
lrwxrwxrwx root/root         0 2006-06-26 18:51:17 usr/bin/hoststat -> ../sbin/sendmail
-rwxr-xr-x root/root     76480 2006-06-26 18:51:19 usr/bin/vacation
lrwxrwxrwx root/root         0 2006-06-26 18:51:17 usr/bin/purgestat -> ../sbin/sendmail
drwxr-xr-x root/root         0 2006-06-26 18:51:19 usr/lib/
-rw-r--r-- root/root     52636 2006-06-26 18:51:19 usr/lib/libmilter.a
drwxr-xr-x root/root         0 2006-06-26 18:50:35 usr/man/
drwxr-xr-x root/root         0 2006-06-26 18:51:19 usr/man/man1/
-rw-r--r-- root/root      2582 2006-06-26 18:51:17 usr/man/man1/vacation.1.gz
drwxr-xr-x root/root         0 2006-06-26 18:50:35 usr/man/man5/
drwxr-xr-x root/root         0 2006-06-26 18:51:19 usr/man/man8/
-rw-r--r-- root/root      1686 2006-06-26 18:51:14 usr/man/man8/makemap.8.gz
-rw-r--r-- root/root      1069 2006-06-26 18:51:11 usr/man/man8/mailstats.8.gz
-rw-r--r-- root/root      1494 2006-06-26 18:51:15 usr/man/man8/smrsh.8.gz
-rw-r--r-- root/root       684 2006-06-26 18:51:16 usr/man/man8/praliases.8.gz
drwxr-xr-x root/root         0 2006-06-26 18:51:19 usr/sbin/
-rwxr-xr-x root/root     53792 2006-06-26 18:51:19 usr/sbin/smrsh
-rwxr-xr-x root/root     70560 2006-06-26 18:51:19 usr/sbin/makemap
-rwxr-xr-x root/root     67676 2006-06-26 18:51:19 usr/sbin/praliases
-rwxr-xr-x root/root     58004 2006-06-26 18:51:19 usr/sbin/mailstats
drwxr-xr-x root/root         0 2006-06-26 18:50:39 usr/include/
drwxr-xr-x root/root         0 2006-06-26 18:50:39 usr/include/libmilter/
-rw-r--r-- root/root     13806 2006-06-26 18:50:39 usr/include/libmilter/mfapi.h
-rw-r--r-- root/root      3959 2006-06-26 18:50:39 usr/include/libmilter/mfdef.h
drwxr-xr-x root/root         0 2006-06-26 18:50:35 var/
drwxr-xr-x root/root         0 2006-06-26 18:50:35 var/spool/
drwxr-xr-x root/root         0 2006-06-26 18:50:35 var/spool/mqueue/
=======> ERROR: Footprint mismatch found:
MISSING   -rw-r--r--      root/root       etc/mail/helpfile
MISSING   -rw-------      root/root       etc/mail/statistics (EMPTY)
MISSING   -rw-r--r--      root/root       usr/man/man1/mailq.1.gz
MISSING   -rw-r--r--      root/root       usr/man/man1/newaliases.1.gz
MISSING   -rw-r--r--      root/root       usr/man/man5/aliases.5.gz
MISSING   -rw-r--r--      root/root       usr/man/man8/sendmail.8.gz
MISSING   -rwsr-xr-x      root/root       usr/sbin/sendmail
=======> ERROR: Building '/usr/ports/core/sendmail/sendmail#8.13.7-1.pkg.tar.gz' failed.