iirc the slap-dash method we use here is to ping the naigos box itself every 5 seconds or so. (From another server) Not set it up myself but seem to recall this was done.
To: [email protected]
Subject: SERVER IZ DEADED
.
ping SERVER > nul
IF ERRORLEVEL 1 GOTO dead
IF ERRORLEVEL 0 GOTO alive
:dead
copy c:\windows\system32\deadserver.master.txt c:\windows\deadserver.txt
ECHO SERVER is DEAD!!! >> c:\windows\system32\deadserver.txt
copy c:\windows\system32\deadserver.txt c:\inetpub\mailroot\pickup
GOTO end
:alive
GOTO end
:end