Fix possible mail loop insight in the Security & Compliance Center

Important

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Applies to

Mail loops are bad because:

  • They waste system resources.
  • They consume your organization's mail volume quota.
  • They send confusing non-delivery reports (also known as NDRs or bounce messages) to the original message senders.

The Fix possible mail loop insight in the Recommended for you area of the Mail flow dashboard in the Security & Compliance Center notifies you when a mail loop is detected in your organization.

This insight appears only after the condition is detected (if you don't have any mail loops, you won't see the insight).

Fix slow mail flow rules insight in the Recommended for you area of the Mail flow dashboard

When you click View details on the widget, a flyout appears with more information:

  • Domain
  • Number of messages: You can click View sample messages to see the message trace results for a sample of the messages that were affected by the loop.
  • Domain type" For example, Authoritative or Non-authoritative.
  • MX record: The host (Mail server) and Priority values of the MX record for the domain.
  • Loop reason and How to fix: We'll identify the most common mail loop scenarios and provide recommended actions to fix the loop.

Details flyout that appears after clicking View details on the Fix possible mail loop insight

See also

For information about other insights in the Mail flow dashboard, see Mail flow insights in the Security & Compliance Center.