in ssh
service sendmail status - show nothing
service --status-all - show
[ - ] sendmail
I trying to solve this problem during 10 days - and I can't yo run sendmail

in ssh:
service sendmail start
service sendmail restart
etc/init.d/sendmail restart
invoke-rc.d sendmail force-reload
- no result
sh -x /etc/init.d/sendmail start show
+ PATH=/bin:/usr/bin:/sbin:/usr/sbin
+ DESC=Mail Transport Agent (MTA)
+ NAME=sendmail
+ DAEMON=/usr/sbin/sendmail
+ DAEMON_ARGS=
+ SCRIPTNAME=/etc/init.d/sendmail
+ [ -x /usr/sbin/sendmail ]
+ exit 0
If deploy Appliance again and install sendmail
service --status-all - shows
[ + ] sendmail
and all is OK - but it seems just for 2 week
