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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.

  Prerequisites

    • Global Admin rights in Exchange Online Admin Center.
    • Client-Hosted Email Signature Server.
    • Email Signature Server cluster Public IP address.

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...
  • 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.

  Note

O365ConnectorValidation@<yourrdomain.tld> is the sender of the validation email for the outbound connector and must be enabled with the secret key validation in order to verify the connection to the server.

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Templafy-Hosted ESS tech_role
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