/usr/bin/hoststat
/usr/bin/mailq.sendmail
/usr/bin/makemap
/usr/bin/newaliases.sendmail
/usr/bin/purgestat
/usr/bin/rmail.sendmail
/usr/sbin/mailstats
/usr/sbin/makemap
/usr/sbin/praliases
/usr/sbin/sendmail.sendmail
/usr/sbin/smrsh
You may install this package on CentOS with
yum
install sendmail