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[Email Archive] Connection Procedure (Microsoft 365)

Overview

  • This article explains how to configure Email Archive so that emails sent and received via Microsoft 365 (Exchange Online) are archived in Email Archive, for customers using Email Archive with Microsoft 365.

Notes

  1. The content of this article is based on the product as of July 2026 and is subject to change without notice.
  2. You will create two Journal Rules during this connection process.
    If you do not have enough available rule slots, please adjust accordingly.
  3. If any of the following settings already exist, please take a screenshot showing the configuration details or use the PowerShell commands below to collect the information, and send it to us before proceeding with this connection process.
    [Microsoft 365 Admin Center] - [Exchange]
    ・[Exchange Admin Center] - [Mail Flow] - [Rules]
    ・[Exchange Admin Center] - [Mail Flow] - [Connectors]
    [Microsoft 365 Admin Center] - [Microsoft Purview]
    ・ [Solutions] - [Data lifecycle management] - [Exchange (legacy)] - [Journal rules]
  4. Please ensure that the latest domain information on the Microsoft 365 side is registered with HENNGE.
    In particular, if the domain set as the "Default Domain" in Microsoft 365 is not registered with HENNGE, Email Archive may not function properly and archiving may fail.
    If you need to add a domain, please refer to the following article.
    How to add a domain in use

Reference: How to check mail flow and connectors using PowerShell+

  1. Connect to Exchange Online using PowerShell.
    Connect to Exchange Online PowerShell (external link)
  2. Run the following commands.
    *For [Save Path], specify the path where you want to save the generated file.

    • Enabled mail flow rules

      Get-TransportRule -State Enabled | Format-List -Property * > [Save Path]/transport-rule.txt

    • Outbound connectors

      Get-OutboundConnector | Format-List -Property * > [Save Path]/outbound-connector.txt

    • Inbound connectors

      Get-InboundConnector | Format-List -Property * > [Save Path]/inbound-connector.txt

  • Journal rules

    Get-JournalRule | Format-List -Property * > "[Save Path]/journal-rule.txt"

Procedure

  1. Open Microsoft Purview.
  2. Click [Settings] - [Data lifecycle management] - [Exchange (legacy)].
  3. Enter “ndr@journal.hdemail.jp” in [Undeliverable journal report recipient] and save.
  4. Click [Solutions] - [Data lifecycle management] - [Exchange (legacy)] - [Journal rules] - [New rule].
  5. Enter the following information:
    • [Journal report recipient]:  Please refer to the [Connection Settings] in the [Connected Service List] - [HENNGE Email Archive] on the Customer Portal for the value to set.
      [Customer Portal] How to check the HENNGE One Connected Service List
    • [Journal rule name]: “HENNGE Journal Rule 1”
    • [Senders or recipients of journaled messages]: All users
    • [Type of messages to journal]: All messages
  6. After entering the above, click [Next].
  7. Review the details and click [Submit].
  8. Click [Solutions] - [Data lifecycle management] - [Exchange (legacy)] - [Journal rules] - [New rule].
  9. Enter the following information:
    • [Journal report recipient]:  Please refer to the [Connection Settings] in the [Connected Service List] - [HENNGE Email Archive] on the Customer Portal for the value to set.
      [Customer Portal] How to check the HENNGE One Connected Service List
    • [Journal rule name]: “HENNGE Journal Rule 2”
    • [Senders or recipients of journaled messages]: All users
    • [Type of messages to journal]: All messages
  10. After entering the above, click [Next].
  11. Review the details and click [Submit].
    This completes the configuration process.
  12. Check the connection status according to the following article.
    [Email Archive] Operation Test