Configuring G Suite accounts to send via Gmail SMTP Relay

Overview

You can connect G Suite user accounts to Front, and send outbound email via Gmail’s SMTP Relay in order to access higher daily sending limits for your Gmail channels (see Google’s article on sending limits for the SMTP relay service for more details).

When should I consider implementing this configuration?

Typical email usage will not require the higher sending limits that Gmail offers with the SMTP Relay, however if you are receiving errors such as 550 5.4.5 Daily user sending quota exceeded due to exceeding your Gmail sending limits, this is an approach you may want to consider.

Gmail also recommends using the SMTP relay service to filter messages for spam and viruses before they reach external contacts. You can also apply G Suite email security and advanced Gmail settings to outgoing messages.

Requirements

Any teammate who needs to configure their mail in this way must:

  • Connect that Gmail to Front as a G Suite account (see How to add a Gmail inbox to Front for instructions)
  • Have 2-Step Verification enabled on their Google account
    • For Google Administrators - see Google’s Set up 2-Step Verification article for information on enabling 2-Step Verification for your organization
    • For teammates - see Google’s Turn on 2-Step Verification article for instructions on how to set up Google 2-Step Verification for your Google account

Configuration

1. Start by ensuring the Google account you are configuring has 2-Step Verification enabled.

2. Create an App Password for this Google account (Follow Google’s instructions on how to Sign in using App Passwords for instructions on how to create these passwords).

 3. The App Password will need to be configured for the “Mail” app, and you can set the Device to “Other (Custom name)”; we would suggest naming it “Front SMTP-Relay”.

 4. Copy the app password that is generated for you - we will be using that in a moment.

 5. Now you’ve created that password, head over to your Front Settings.

6. If you have already created that G Suite account in Front, open up the channel settings, otherwise follow our How to add a Gmail inbox to Front instructions to create this account.

7. Open the Custom SMTP settings for your Gmail channel. You will need to configure:

  • Host: smtp-relay.gmail.com
  • Port: 587
  • Login: [The email address of this Gmail account]
  • Password: [Here is where you enter the Google App Password you generated earlier]

 8. Hit the “Test Connection” button - provided everything went well, you should receive a “Connection Successful” message.

9. Scroll up to the top of this page, and hit the Save button to save your changes.

10. That’s it! Test sending and receiving emails via that channel, to ensure everything is working as expected. Feel free to contact us if you have any questions, or these settings aren’t working as expected.

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