Check_MK Werk 3905: barracuda_mailqueues, nullmailer_mailq, postfix_mailq, qmail_stats: these checks now have items, postfix can now monitor multi directories

ID: 3905 Title: barracuda_mailqueues, nullmailer_mailq, postfix_mailq, qmail_stats: these checks now have items, postfix can now monitor multi directories Component: Checks & Agents Level: 1 Class: New Feature Version: 1.4.0i1 Note: existing ruleset mailqueue length is now deprecated. These checks will work further on but the related ruleset won't be applied any more except default levels. Please use new service descriptions for these checks below global settings, rediscover the affected hosts and use new mail queue length ruleset.