Connect Application: Office 365 Journaling

Document created by user.oxriBaJeN4 Employee on Apr 12, 2016Last modified by user.oxriBaJeN4 Employee on Nov 9, 2016
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Applies To...

 

  • New clients connecting with Mimecast using the Connect Application. If you are not using the Connect Application, click here.
  • Customers who are using Mimecast for archiving their messages.

 

Overview

 

We automatically archive all inbound and outbound emails. Additionally you can also configure Mimecast to archive internal emails between users, using a process called Journaling.

 

When you are using the Connect Application to set up your journaling on an Office 365 infrastructure, you'll need to manually configure it to work with Mimecast. The Connect Application creates a default journal connector on your Mimecast account, including the following internal journal domain and journal address:

  • Journal Domain: journal.domain.com (where domain.com is the domain your organization provided as your primary mail domain).
  • Journal Address: journaling@journal.domain.com. This address must be used as the mail attribute for the external contact you create in your Exchange used to deliver journal messages.

 

Should you want to add an additional journal connector, you'll need to do so manually ensuring you use the above journal domain and address.

Read the Exchange Online Service Description | Office 365 Service Descriptions page on the Microsoft site for information on Office 365 plans that support journaling. The page describes the Exchange Online Protection (EOP) security feature set most commonly provided with Office 365. This has replaced legacy FOPE services. At this time Microsoft does not support self email journaling (journaling from yourself to yourself).

To enable you to set up Office 365 journaling to work with Mimecast, you must create an:

  • External contact in Office 365
  • Office 365 send connector
  • Office 365 journal rule

 

Creating an External Contact in Office 365

 

You'll need to create an external contact in Office 365 using the following format: journaling@journal.domain.com (where "domain.com" is your primary domain).

 

To create an external contact in Office 365:

  1. Log on to the Office 365 Admin Center.
  2. exchange1.pngClick on the ico_o365.png icon to start the App Launcher.
  3. Click on the Admin App.
  4. Click on the Exchange menu item to open the Exchange Admin Center.
  5. Click on the Recipients menu item.
  6. Click on the Contacts sub menu item.
  7. Click on the + icon.
  8. Click on the Mail Contact menu item. The New Mail Contact dialog is displayed.
  9. Complete the dialog as follows:

    Field / OptionValue
    First NameEnter the first name of the external contact (e.g. SMTP).
    InitialsThis field can be left blank.
    Last NameEnter the last name of the external contact (e.g. Journaling).
    Display NameEnter the values of the "First Name" and "Last Name" fields (e.g. SMTP Journaling).
    AliasEnter an alias for the external contact (e.g. Journaling).
    External Email AddressEnter the journaling address created by the Connect Application (e.g. journaling@journal.domain.com).
  10. Click the Save button.

 

Creating the Office 365 Send Connector

 

To create an Office 365 send connector:

  1. Ensure the Exchange Admin Center is open (see steps 1-4 in the "Creating an External Contact in Office 365" section above).
  2. Click the Mail Flow menu item.
  3. Click the Connectors sub menu item.
  4. Click on the + icon. The Select Your Mail Flow Scenario dialog is displayed.
  5. Complete the dialog as follows:

    Field / OptionDescription
    FromSelect the "Office 365" option from the drop down list.
    ToSelect the "Partner Organization" option from the drop down list.
  6. Click the Next button to display the New Connector dialog.
  7. Complete the dialog as follows:

    Field / OptionDescription
    NameProvide a name for the Connector (e.g. Office 365 to Mimecast).
    DescriptionOptionally, provide a description for the Connector. Whilst this is not compulsory, it is good practice to do so.
    Turn It OnIf this option is checked, the connector is enabled and active.
  8. Click the Next button.
  9. Select the Only When Email Messages are Sent to These Domains option.
  10. Click the + icon to add the recipient domains that should use this connector.

    connect1.png
  11. In the Add Domain dialog, specify your journal email domain (e.g. journal.domain.com).
  12. Click the OK button to return to the New Connector dialog.
  13. Select the Route Email Through These Smart Hosts option.
  14. Click the + icon to add the smart hosts that should use this connector.

    connect3.png
  15. Enter the Primary and Secondary Smart Hosts.
    The Connect Application will list hostnames to use according to your region.
  16. Click the Save button to return to the New Connector dialog.
  17. Click the Next button.
  18. Select the following options:
    • Always use Transport Layer Security (TLS) to secure the connection
    • Issued by a trusted certificate authority (CA)

      connect2.png
  19. Click the Next button. The connector's details are displayed.
  20. Click the + Icon to add an email address of a recipient from a domain external to your organization.

    connect4.png
  21. Click the Validate button. Disregard any errors in the validation.
  22. Click the Save button.

 

Creating the Office 365 Journal Rule

rule.png

 

To create the Office 365 journal rule:

  1. Ensure the Exchange Admin Center is open (see steps 1-4 in the "Creating an External Contact in Office 365" section above).
  2. Click the Compliance Management menu item.
  3. Click the Journal Rules sub menu item.
  4. Click the + icon. The New Journal Rule dialog is displayed.
  5. Complete the dialog as follows:


    Field / OptionDescription
    Send Journal ReportsEnter the email address of your journal contact. This address will receive the journal reports.
    NameEnter a name for the journal rule.
    If the Message is Sent to or Received FromSelect the "Apply to all Messages" option form the drop down.
    Journal the Following MessagesSelect the "All Messages" option form the drop down.
  6. Click the Save button.

 

When prompted, enter an email address to which undeliverable journal reports are sent. The specified email address must meet the following requirements:

  • Microsoft recommends you specify a dedicated email address, because the email address used will not have it's mail journaled.
  • The email address must be in your domain, because it is used as the From address when O365 journals the messages to Mimecast.
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