1. enable svc:/system/fm/smtp-notify:default (to trigger sending of emails when svc state change)
2. enable svc:/network/smtp:sendmail (to receive mails send to root@localhost)
3. To set notification for all services use
# svccfg -s svc:/system/svc/global:default setnotify -g transition1, transition2 mailto:root@localhost
4. To set notification for specific service e.g. svc:/network/iscsi/initiator:default use
# svccfg -s svc:/network/iscsi/initiator:default setnotify transition1, transition2 mailto:root@localhost