Does the System Status value "Oldest Message" include Unattempted Recipients?
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Updated:August 7, 2014
The System Status page on your Cisco Email Security Appliance (ESA) has a variety of counters, rates, and gauges that can be used both to monitor the health of the appliance and understand your mail stream.
This page can be access from the GUI via Monitor>System Status
From CLI a similar view can be found using the status detail command:
esa.example.com> status detail
Status as of: Wed Aug 06 08:24:18 2014 EDT Up since: Wed Jul 09 15:10:21 2014 EDT (27d 17h 13m 57s) Last counter reset: Wed Jul 23 14:21:11 2014 EDT System status: Online Oldest Message: 1 day 17 hours 10 mins 37 secs Feature - Symantec Brightmail Anti-Spam: Expired Feature - IronPort Image Analysis: Expired Feature - Sophos Anti-Virus: 232 days Feature - Bounce Verification: Perpetual Feature - IronPort Anti-Spam: 232 days Feature - IronPort Email Encryption: 232 days Feature - RSA Email Data Loss Prevention: 232 days Feature - Intelligent Multi-Scan: 68 days Feature - Incoming Mail Handling: Perpetual Feature - Outbreak Filters: 232 days
The "Oldest Message" value indicates the amount of time that the oldest message has been awaiting delivery. This includes messages that are in both the Work Queue or in the Message Queue. The unattempted recipients value is a subset of active recipients in the message queue and can therefore include the oldest message.
The Oldest Message should not be older than "the maximum number of seconds a message may stay in the queue before being hard bounced," as configured via the bounceconfig command in the CLI, or Network->Bounce Profiles in the GUI.