Yeah, for the service-by-email notification you should add
$LONGSERVICEOUTPUT$. I edited your command as follows:
define command{
command_name notify-service-by-email
command_line /usr/bin/printf %b * Nagios
*\n\nNotification Type: $NOTIFICATIONTYPE$\n\nService:
Hello,
I recently re-installed my Nagios environment and recently found that using my
old configuration that used to work, is not working now; more specifically the
email notification parsing seems to not send information regarding additional
information part.
Example email notification