Exim: no immediate delivery: load average

При ошибке

 2014-07-19 15:20:13 1X8UYd-0002pH-Tn no immediate delivery: load average 8.36
2014-07-19 15:21:11 1X8UZa-00031l-C1 no immediate delivery: load average 13.17
2014-07-19 15:25:56 1X8Udu-0003vB-F3 no immediate delivery: load average 13.06
2014-07-19 15:26:50 1X8Uf3-000497-Kr no immediate delivery: load average 10.76
2014-07-19 15:26:59 1X8UfC-0004AC-2F no immediate delivery: load average 10.03
2014-07-19 15:26:59 1X8UfD-0004AW-1w no immediate delivery: load average 10.03

нужно поднять лимиты максимальной нагрузки в конфиге exim:

# vi /etc/exim.conf
 deliver_queue_load_max = 20.0
 queue_only_load = 20
 queue_run_max = 5
 # /etc/init.d/exim restart
 Shutting down exim:
 Starting exim: