check process sendmail with pidfile /var/run/sendmail/sendmail.pid
   group mail
   start program = "/etc/init.d/sendmail start"
   stop  program = "/etc/init.d/sendmail stop"
   if failed port 25 protocol smtp then restart
   if 5 restarts within 5 cycles then timeout
   depends on sendmail_bin
   depends on sendmail_rc

check file sendmail_bin with path /usr/sbin/sendmail
   group mail
   if failed checksum then unmonitor
   if failed permission 755 then unmonitor
   if failed uid root then unmonitor
   if failed gid root then unmonitor

check file sendmail_rc with path /etc/init.d/sendmail
   group mail
   if failed checksum then unmonitor
   if failed permission 755 then unmonitor
   if failed uid root then unmonitor
   if failed gid root then unmonitor
