How to use Google Workspace as a Smarthost

Introduction

To set up a cPanel server to send outbound email through Google Workspace, the Smarthost option in Exim Configuration Manager can be used.

Please note that this guide is intended for system administrators. cPanel's Technical Analysts cannot assist in configuring a server's Smarthost setup.

Procedure

Please note that you must set up the SMTP relay in your Google Admin console before configuring your server.

1. Log into WHM as the ‘root’ user.
2. Navigate to "Home / Service Configuration / Exim Configuration Manager."
3. Click the "Mail" tab.
4. Select the textbox for the "Smarthost support" option.
5. Enter the following in the "Smarthost support" option's text box.
   

   * smtp-relay.gmail.com::587

6. Click the "Save" button.

Additional resources

SMTP relay: Route outgoing non-Gmail messages through Google

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