accept condition = ${if eq {$event_name}{msg:delivery}}
acl = ev_msg_log delivery "confirmation <$event_data>"
+ accept condition = ${if eq {$event_name}{msg:defer}}
+ acl = ev_msg_log "message deferral" \
+ "errno <$event_defer_errno> errstr <$event_data>"
+
accept condition = ${if eq {$event_name}{msg:host:defer}}
acl = ev_msg_log "host deferral" \
"errno <$event_defer_errno> errstr <$event_data>"