[Nut-upsuser] help requested for setting up email notification of UPS events

[hakayova]

Dear list,

I apologize for my lack of expertise in troubleshooting this problem. I
am trying to setup email notification to myself in the event of several
UPS events. I did read and follow the documentation at
https://networkupstools.org/docs/user-manual.chunked/Advanced_usage_scheduling_notes.html.

I have a working UPS setup on my NAS, which runs FreeBSD14.3. It can
communicate with the UPS, and both nut and upsd services are running
as expected. I made the following changes in the upsmon.conf to enable
email notification to myself:

NOTIFYCMD /usr/local/bin/mailme
NOTIFYFLAG ONLINE       SYSLOG+WALL+EXEC
NOTIFYFLAG ONBATT       SYSLOG+WALL+EXEC
NOTIFYFLAG FSD          SYSLOG+WALL+EXEC
NOTIFYFLAG COMMOK       SYSLOG+WALL+EXEC
NOTIFYFLAG COMMBAD      SYSLOG+WALL+EXEC
NOTIFYFLAG SHUTDOWN     SYSLOG+WALL+EXEC
NOTIFYFLAG REPLBATT     SYSLOG+WALL+EXEC
NOTIFYFLAG NOCOMM       SYSLOG+WALL+EXEC
NOTIFYFLAG NOPARENT     SYSLOG+WALL+EXEC

This is the script /usr/local/bin/mailme:

#!/usr/bin/env sh

echo "$*" | /usr/bin/mail -s "Notification for UPS event" myemail at example.com

Documentations recommends restarting upsmon after these changes; however
upsmon is a client and it is not running as a service at least in my
setting. I did reload and restarted nut and upsd services without errors
after making these changes. Moreover, I tested my script by executing it
from command line and received an email with the correct subject and
empty content as expected. However, a power outage simulation by
plugging the UPS off did not trigger an email notification. What am I
missing? Any pointers will be greatly appreciated.

Hakayova