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Gmail / Google Workspace

OAuth 2.0500 emails/day (personal Gmail), 2,000/day (Workspace)

Use your existing Gmail with secure OAuth 2.0 authentication.

Best For
Small sites, personal blogs, and users already on Gmail/Google Workspace
Pricing
Free with Gmail, Google Workspace from $6/user/month
Integration Type
OAuth 2.0

Overview

Gmail integration in Authority Mailer SMTP uses OAuth 2.0 for secure authentication, meaning you don't need to enable "less secure apps" or create app passwords. Simply click "Connect to Gmail," authorize access, and you're sending emails through Google's infrastructure.

This is the easiest setup option for small sites, personal blogs, and anyone already using Gmail or Google Workspace.

Gmail / Google Workspace Features

OAuth 2.0 secure authentication
No app passwords required
Works with free Gmail accounts
Google Workspace support
Excellent deliverability from Google IPs
Built-in spam protection
Emails appear in your "Sent" folder
Two-factor authentication compatible
Easy one-click setup
Automatic token refresh

Requirements

Before you start, make sure you have:

  • 1Gmail account or Google Workspace account
  • 2Authority Mailer SMTP Free or Pro
  • 3Web browser for OAuth authorization

Step-by-Step Setup Guide

1

Prepare Your Gmail Account

No special preparation needed! Unlike other SMTP methods:

- You don't need to enable "less secure apps"

- You don't need to create an app password

- Two-factor authentication can stay enabled


Just make sure you can log into your Gmail account.

2

Connect Gmail in Authority Mailer SMTP

1. In WordPress, go to Authority Mailer SMTP → Settings

2. Select "Gmail / Google" from the provider dropdown

3. Click the "Connect to Gmail" button

4. A Google sign-in window will open

5. Select your Gmail account

6. Review the permissions and click "Allow"

7. You'll be redirected back to WordPress

3

Configure Sender Settings

1. Your Gmail address is automatically set as "From Email"

2. Set your preferred "From Name" (e.g., your site name)

3. Click "Save Settings"

4. Click "Send Test Email" to verify


Note: Emails will come from your Gmail address. You cannot change this without domain verification in Google Workspace.

💡 Pro Tips

  • Use a dedicated Gmail account for your site rather than personal
  • Google Workspace allows sending from custom domain addresses
  • Emails appear in your Gmail "Sent" folder for reference
  • Keep your sending under 500/day to avoid temporary blocks
  • Consider upgrading to a dedicated ESP for high-volume sites

🔧 Troubleshooting

❓ OAuth popup blocked

✅ Allow popups for your WordPress admin URL, or disable your popup blocker temporarily.

❓ "Access denied" during authorization

✅ The Google account might have restrictions. Try with a different Gmail account or check organizational policies.

❓ Token expired errors

✅ Click "Reconnect to Gmail" to refresh your authorization tokens.

❓ Hitting daily sending limit

✅ Personal Gmail is limited to 500 emails/day. Upgrade to Google Workspace for 2,000/day, or switch to a dedicated provider.

Ready to Set Up Gmail / Google Workspace?

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