nagios not notifying by email

[Dave Stern]

We have two iterations at our site, one running the old netsaint (which
works flawlessly) and one running nagios 1.2 on RHEL E3-AS. The latter
rebuilds its config files each night based on various site-specific
files detailing what hosts we have, what to monitor on them etc.

The Linux version is not notifying when hosts/services go down. I suspect 
this is nothing more than the notify-by-email command.

On netsaint, it's

command[notify-by-email]=/usr/bin/printf '%s\n%s\n%s\n%s' '***** NetSaint 0.0.7 ***** $SERVICESTATE$ alert/notification'  'Host: $HOSTNAME$ Address: $HOSTADDRESS$', 'Additional Info: $OUTPUT$' | /usr/bin/mailx -s 'Service alert: $HOSTNAME$ is $SERVICESTATE$ **, $SERVICEDESC$' $CONTACTEMAIL$

and on linux its

# 'notify-by-email' command definition
define command{
         command_name    notify-by-email
         command_line    /usr/bin/printf "%b" "***** Nagios  *****\n\nNotificati
on Type: $NOTIFICATIONTYPE$\n\nService: $SERVICEDESC$\nHost: $HOSTALIAS$\nAddre
ss: $HOSTADDRESS$\nState: $SERVICESTATE$\n\nDate/Time: $DATETIME$\n\nAdditional
  Info:\n\n$OUTPUT$" | /bin/mail -s "** $NOTIFICATIONTYPE$ alert - $HOSTALIAS$/$
SERVICEDESC$ is $SERVICESTATE$ **" $CONTACTEMAIL$
         }

Does anyone know what the command should look like and how to test the above?
Thanks



  =-=-=-=-=-=-=-=-=-=-  generated by /dev/dave -=-=-=-=-=-=-=-=-=-=-=-=
  David Stern                                    University of Maryland
            Institute for Advanced Computer Studies


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