How can I add or remove connectors and transport rules in the Classic Exchange admin center?

You want to manually configure the Exchange Online Connectors and add transport rules that work correctly for Sigsync Server-side or Mixed mode signatures using the Classic Exchange admin center, as well as remove the connectors manually.

Resolution:

Follow the steps below to Configure both the Inbound and Outbound connector manually using the Classic Exchange admin center.

Configuration of Exchange Online connectors manually

  1. Sign in to your Office 365 account, click on the App launcher icon on the top left corner of the page and click on Admin.
  2. In the Admin center, choose the Exchange option from the left panel.
  3. Select mail flow from the Exchange admin center as shown.

    Select mailflow under EAC

  4. Now you need to add two connectors i.e Inbound and Outbound connectors and transport rules. Follow the steps below to configure the connectors:

    Configure the Inbound connector: Inbound connectors will accept the email message sent from Sigsync service after processing the Signature.

    1. Click on the Connectors tab in the mail flow page and click the + icon to add the Inbound connector

      Add inbound connector

    2. In the popup window, select From as Your organization’s email server and To as Office 365 and click on the Next button.

      Select mailflow scenario for inbound connector

    3. Next, enter the Name as Sigsync Inbound Connector and verify if both the checkboxes Turn it on and Retain internal Exchange email headers are selected.

      Sigsync inbound connector

    4. In the last popup, select the first option and enter the domain name as *.sigsync.com.

      verify the domain name

    5. Click on the Next button and then Save the Inbound connector configuration details.

    Configure the Outbound Connector: Outbound connector will send the email to Sigsync service. Follow the steps below to configure the Outbound Connector.

    1. Click on + icon under the connector to create new Outbound connectors. In the popup window, select From as Office 365 and To as Your organization’s email server and click on the Next button.

      Select the mail flow scenario for outbound connector

    2. Next, enter the New connector Name as Sigsync Outbound Connector and verify if both the checkboxes Turn it on and Retain internal Exchange email header are selected.

      Sigsync Outbound Connector

    3. Next, select the first option i.e. Only when I have a transport rule set up that redirects messages to this connector and click on Next.

      Set the required option for new connector

    4. In the next popup window, select the + icon to add a smart host's fully qualified domain name as sigsync.com and click the Next button.

      Specify smart host domain

    5. Select the options as shown in the screenshot below and click on the Next button

      Select the option for Office 365 connect to email server

    6. In the last step, enter the test email address to validate the Outbound connector and click on the Validate button

      Enter test email address to validate Outbound connector

    7. On successful validation, click on the Save button to complete the Outbound connector configuration.

Configure the Transport rule for Sigsync service manually

After completing the connectors configuration, create a new transport rule that specifies the sender's scope for which email Sigsync service needs to be processed.

You can specify the senders scope as following

Configure the transport rule for the selected user or user under a specific group

If you want to limit the transport rule for a specific user or a group, then add this condition under Apply this rule if…

  • For Selected user: The sender -> is this person and select the required user from the list.
  • For Specific group: The sender -> is a member of this group and select the required group.

Configure the transport rule to apply to all users while excluding internal emails.

For Configuring the transport rule to all the users while excluding the internal emails, add another extra condition under Apply this rule if… option. Click on the add condition button, select the following: The recipient… -> is external/internal -> Outside the organization.

Remove configure connectors and transport rule manually from Office 365

  1. Sign in to your Office 365 account, Go to Admin center and click on Exchange from the left side menu.
  2. In the Exchange admin center, click on the mail flow option from the left panel.
  3. In the Rule tab, select the required rule and click on the delete icon to remove the selected rules from the list.
  4. Go to the Connectors tab, select the required connector and click the delete icon to remove the selected connector.


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