Setting up Mailflow Connector
In the next section, a mailflow connector will be set up to route email via the eperi sEcure Platform.
Procedure
-
In the Microsoft 365 admin center, open the menu on the
left and click Admin centers > Exchange.
The page Exchange admin center opens in a new browser tab.
- From the vertical menu on the left, click mail flow.
-
Click the connectors tab from the horizontal list of
tabs as below:

A new forwarding rule will now be created, to ensure all email is encrypted by the eperi sEcure Platform.
-
Click the + (New Connector) button and enter the
following details:
- From: Office 365
- To: Partner Organisation
- Click Next.
- In the New connector menu enter a Name such as RemoteConnector@demo.eperi-cdp.com.
- Tick the Turn it on option after the configuration is saved.
- Click Next.
- Select the option Only when email messages are sent to these domains.
-
Click the + (Add Domain) button and add the domain
* as below.
- Click Next.
- Choose the option to Route email through these smart hosts and click the + button below.
- Enter the host address for your eperi sEcure Platform (e.g. demo.eperi-cdp.com) then click Save.
- Click Next.
- If you have not yet activated TLS in your Postfix SMTP-Relay, uncheck the option Always use TLS.
- Click Next.
-
Confirm the details are correct (example screenshot below).
You should be prompted to validate the connector. - Enter an external email address (outside this Microsoft 365 domain).
- Click Validate.
- If this produces an error, then ignore this as the configuration of the eperi eperi sEcure Platform may not be complete yet.
- Click Save.
- Close the tab Exchange admin center.
