text: title: Nullmailer: Mailqueue Length
  agents: linux
  catalog: app/nullmailer
  license: GPL
  distribution: check_mk
  description:
  
   This check monitors the number of deferred mails in the outgoing mail
   queue, as sent by the linux agent of Checkmk.
  
   This check creates one service per host which represents the state
   of the outgoing mailqueue.
  
   The check will result in WARNING/CRITICAL states when the number of items
   in the queues have reached the defined thresholds.
  
  item:
   Empty string
  
  inventory:
   One service is created on each system which provides the {nullmailer-send} command.
  