Reporting: CSV Data

Document created by user.oxriBaJeN4 Employee on Sep 10, 2015Last modified by user.oxriBaJeN4 Employee on Mar 27, 2017
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Mimecast provides reports to assist Administrators to manage their internal environment, through data load analysis and user efficiency. See the Reporting page for full details.


Some of this data, together with other logs, are made available in a daily file. Administrators can download the report data in a comma separated (.CSV) format. This has many uses, including sharing it with colleagues who do not have access to the Mimecast Administration Console. For data that is not retained on Mimecast eternally (e.g. Rejection Viewer logs) Administrators can access this data, even after it is no longer visible in the Administration Console.


Accessing the CSV Data


To access the daily CSV data that has been exported for your account:

  1. Log in to the Administration Console.
  2. Click on the Administration toolbar button. A menu drop down is displayed.
  3. Click on the Reporting | CSV Data.


    Information regarding the report start/end dates, generation date and report interval is displayed. By default a month's worth of reports is available for download, however, you can click on the calendar control to amend this

  4. Click the Download CSV button in the Action column to open or save the report.
  5. Click the Download PDF button in the Action column.

    CSV Data

  6. Specify a Location for the download.
    The default file name is based on your Mimecast account number. This can be changed as required.
  7. Click the Save button. The CSV file is downloaded to your specified location.


CSV Data Report Types


To change the display filter, click on the View CSV Data toolbar button, and select one of the options:


CSV optionsDescription
RejectionsDetails regarding the rejected traffic is displayed. This includes the date and time, sender and recipient address, remote IP address, remote mail server name and greeting, and the rejection reason and description.


Queue Retention Periods


Mimecast tables, queues and viewers display information on email data for a specific length of time.  A summary of these is displayed below:


MenuQueueRetention Period
MonitoringStripped Attachments

Based on the retention period of your account

This includes all attachments that have been held, stripped or stripped and linked.

Rejection Viewer7 days
Connection Attempts7 days
Bounce Viewer4 months
Held Queue

30 days (by default, but can be changed by Mimecast to between 7-30 days)

Once emails expire from the Hold Queue, they are still available in the Archive for the retention period of your Mimecast account.

Delivery QueueDelivery will retry for six attempts (or one hour) after which a warning message is sent. After 30 attempts (four days) the delivery will fail or soft bounce.
GatewayAccepted EmailTypically two to six hours, at which point a successfully delivered email is archived. Alternatively emails will remain in Accepted Email until they reach their final state (e.g. delivered successfully or failed in delivery).
TrackingAdministrators are only able to search back across the last 30 days worth of data.
Reputation Based ChecksAuto AllowEternal
Managed SendersEternal
Greylisting (Passed)30 Days
Archive RetentionMaximum Retention

This is populated as part of the implementation process, and is based on your purchased Mimecast Service. Preservation Policies (Content and Metadata) can also be used to decrease the retention period for specific users/groups or domains.

User Retention and Retention Adjustments allow you to purge emails based on their lifespan, while Litigation Holds can be used to override all purge Policies.

Administration Console LogsEvent LogsBased on the retention of your account.
Message View LogsBased on the retention of your account.
Search LogsBased on the retention of your account.
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