Configure Connectors for Client-Hosted Email Signature Server

This article details the steps to creating and configuring connectors to route e-mails through the Templafy Email Signature Server in the Exchange Online Admin Center.

Inbound Connector

• Navigate to https://admin.exchange.microsoft.com/.

• Click Mail flow and then Connectors.

• Click + Add a connector.

  • The Connection from option should be set to Your organization's email server.

  • The Connection to option will remain on the Office 365 setting.

  • Click Next.

• Enter a name for the connector: templafy-ess-inbound.

  • Under What do you want to do after connector is saved?, select Retain internal Exchange email headers (both check boxes should be enabled).
  • Click Next.
• Choose the option, By verifying that the IP address...
  • The IP address can be retrieved in the Kubernetes portal from the configuration of the Email Signature Server.
  • Click Next.
• Click Create Connector.

Outbound Connector

• Click + Add a connector.

  • The Connection from option should be set to Office 365.

  • The Connection to option will remain on the Your organization's email server setting.

  • Click Next.

• Enter a name for the connector: templafy-ess-outbound.

  • Under What do you want to do after connector is saved?, select Retain internal Exchange email headers (both check boxes should be enabled).
  • Click Next.
• Select the option, Only when I have a transport rule set up that redirects messages to this connector and click Next.
• Specify the smart host IP (the same value used for the inbound connector - from the configuration of the Email Signature Server).
  • Click the + sign, followed by Next.
• Choose the option, Any digital certificate, including self-signed certificates.
  • Click Next.
• Provide an email address from inside your organization, click the +sign, and click Validate.
  • If the validation fails, add the following to the Apply this rule if section of your Templafy ESS Mail Flow Rule:
    • Select The sender then click the Select one dropdown and select: is this person and add O365ConnectorValidation@<yourrdomain.tld>
    • Re-run the validation until it is successful.
    • Click Next.
• Click Create Connector.