Authorize Google to Allow SMTP for Your Gmail

To send SMTP email using Gmail, you need to authorize Google to allow SMTP. Follow the steps below.

Click here for detailed instructions from Google Workspace Admin Help Docs.

Step-by-Step Guide

Configure SMTP Relay:
- Go to Apps > Google Workspace > Gmail > Routing.
- Scroll to SMTP relay service and click Configure.
- Enter a description (e.g., "SMTP for [software name] – [Your Brand] Outbound Mail Integration").
- For Allowed Senders, select "Only addresses in my domain".
- Under Authentication, choose Require SMTP Authentication.
- Under Encryption, select Require TLS encryption.
If Your G-Suite Account Uses 2-Step Verification:
- Create an App Password:
  - Go to your Google Account > Security.
  - Under Signing in to Google, select App Passwords (you may need to sign in).
  - If not available, it could be due to:
    - 2-Step Verification not set up.
    - 2-Step Verification set only for security keys.
    - Account restrictions (work, school, or organization) or Advanced Protection enabled.
  - At the bottom, choose "Other - custom name" and enter [software name]-[Your Brand].
  - Click Generate, copy the 16-character code, and save it.
Add Credentials to the Custom Email SMTP Server:
- Navigate to Agency Dashboard and click the White Label tab.
- Select Custom email SMTP Server.
- Enter the following:
  - SMTP Server: smtp-relay.gmail.com
  - Port: 587
  - Encryption: TLS
  - Select SMTP Auth and enter your full email address and the 16-character App Password.
  - Enter your Sender/Reply-to Name and Email.
- Click Send Test Email.

Once successful, you're DONE!

If you're experiencing issues, have questions or need assistance feel free to reach out to our Support Team or consult our FAQs.