Adding Office 365 Outbound Connectors

Procedure

1. Log on to your Office 365 administration center.
2. In the navigation on the left, go to Admin → Admin centers → Exchange
   The Exchange admin center screen appears.
3. In the navigation on the left, go to mail flow, and then click connectors in the top navigation.
4. Do the following to add an Outbound Connector to Office 365:

   Note By adding an outbound connector, you can configure Office 365 to relay outbound mail to Cloud Email Gateway Protection for filtering and delivery to recipients outside of your Office 365 managed domain.

   1. Click the plus (+) icon.
      A new connector configuration screen appears.
   2. In the From field, select Office 365.
   3. In the To field, select Partner organization.
   4. Click Next.
   5. In the Name field, type a descriptive name for the connector.
      For example, type Cloud Email Gateway Protection (Outbound).
   6. Select the Turn it on check box.
   7. Click Next.
   8. Select Only when I have a transport rule set up that redirects messages to this connector, and then click Next.
   9. Select Route email through these smart hosts, click the plus (+) icon, and then add the following host to the list:
      <company_identifier>.relay.<domain_name>

      Note In the preceding information, replace <company_identifier> and <domain_name> with actual values. The value of <domain_name> varies according to your location: North America, Latin America and Asia Pacific: tmes.trendmicro.com Europe and Africa: tmes.trendmicro.eu Australia and New Zealand: tmes-anz.trendmicro.com Japan: tmems-jp.trendmicro.com Singapore: tmes-sg.trendmicro.com India: tmes-in.trendmicro.com Middle East (UAE): tmes-uae.trendmicro.com

   10. Click Next.
   11. Keep the default settings on the screen that appears, and click Next.
       The New connector confirmation screen appears, displaying all the settings that you have configured.
   12. Click Next.
   13. Add an email address to the field provided, and then click Validate.
       After the validation process completes, the Validation Result screen displays.
   14. Click Save.
5. Add an email flow rule to use the outbound connector you created.
   1. In the navigation on the left, go to mail flow, and then click rules in the top navigation.
   2. Click the plus (+) icon and click Create a new rule.
   3. In the Name field, type a name for the rule, for example, Trend Micro Email Security (Outbound).
   4. Under Apply this rule if..., select The recipient is located and then Outside the organization and click OK.
   5. Click More Options at the bottom to show more settings.
   6. Under Do the following..., select Redirect the message to and then the following connector and choose the outbound connector you created for message redirection.
   7. Configure the remaining fields if necessary; otherwise, keep the default settings for them.
   8. Click Save.