EXCH-MB-407 | Medium | Email "Subject Line" logging must be enabled. | Log files help establish a history of activities, and can be useful in detecting attack attempts or determining tuning adjustments to improve availability. When "message tracking" is enabled,... |
EXCH-MB-405 | Medium | The Public Folder Stores must mount at startup. | Administrator responsibilities include the ability to react to unplanned maintenance tasks or emergency situations that may require Public Folder Store data manipulation. Occasionally, there may... |
EXCH-MB-415 | Medium | Email SMTP forwarding must be restricted. | Auto-forwarding email to external email accounts is prohibited. Auto-forwarded e-mail to non-CAC enabled e-mail accounts does not meet requirement for digital signature and encryption of CUI and... |
EXCH-MB-414 | Medium | Mailbox databases must reside on a dedicated partition. | In the same way that added security layers can provide a cumulative positive effect on security posture, multiple applications can provide a cumulative negative effect. A vulnerability and... |
EXCH-MB-408 | Medium | Message Tracking Logging must be disabled. | A message tracking log provides a detailed log of all message activity as messages are transferred to and from a computer running Exchange. Message tracking is available on Hub Transport servers,... |
EXCH-MB-409 | Medium | Queue monitoring must be configured with threshold and action. | Monitors are automated "process watchers" that respond to performance changes, and can be useful in detecting outages and alerting administrators where attention is needed. Exchange has built-in... |
EXCH-MB-411 | Medium | Public Folder stores must be retained until backups are complete. | Backup and recovery procedures are an important part of overall system availability and integrity. Complete backups reduce the chance of accidental deletion of important information, and ensure... |
EXCH-MB-410 | Medium | Mail must be retained until backups are complete. | Backup and recovery procedures are an important part of overall system availability and integrity. Complete backups reduce the chance of accidental deletion of important information, and ensure... |
EXCH-MB-402 | Low | Mail Store storage quota must issue a warning. | Mail quota settings control the maximum sizes of a user's mailbox and the system's response if these limits are exceeded. Mailbox data that is not monitored against a quota increases the risk of... |
EXCH-MB-403 | Low | Public Store storage quota must be limited. | This setting controls the maximum sizes of a Public Folder and the system's response if these limits are exceeded. There are two available controls and the system response when the quota has been... |
EXCH-MB-400 | Low | Mail quota settings must not restrict receiving mail. | Mail quota settings control the maximum sizes of a user's mailbox and the system's response if these limits are exceeded. Mailbox data that is not monitored against a quota increases the risk of... |
EXCH-MB-401 | Low | Mail Store storage quota must be limited. | Mail quota settings control the maximum sizes of a user's mailbox and the system's response if these limits are exceeded. Mailbox data that is not monitored against a quota increases the risk of... |
EXCH-MB-406 | Low | The email server Circular Logging must be disabled. | Logging provides a history of events performed, and can also provide evidence of tampering or attack. Failure to create and preserve logs adds to the risk that suspicious events may go unnoticed,... |
EXCH-MB-404 | Low | The Mailbox Stores must mount at startup. | Administrator responsibilities include the ability to react to unplanned maintenance tasks or emergency situations that may require Mailbox data manipulation. Occasionally, there may be a need to... |
EXCH-MB-413 | Low | Public Folder database must not be overwritten by a restore. | Email system availability depends in part on best practices strategies for setting tuning configurations. Unauthorized or accidental restoration of public folder data risks data loss or... |
EXCH-MB-412 | Low | Mailbox database must not be overwritten by a restore. | Email system availability depends in part on best practices strategies for setting tuning configurations. Unauthorized or accidental restoration of mailbox data risks data loss or corruption. ... |