Set Up Gmail SMTP Using App Passwords

If you're trying to send emails through Gmail using third-party apps or servers (like marketing tools, CRMs, or contact forms), you need more than just your Gmail password. Gmail now requires two-factor authentication (2FA) and an App Password to use SMTP securely.

Here’s a complete guide to walk you through the process step by step.

🔐 Step 1: Go to Google Account Security Settings

Start by logging in to your Google Account and visiting the security settings page:
👉 https://myaccount.google.com/security

🔐 Step 2: Enable 2-Step Verification

• Scroll down to the "Signing in to Google" section.
  
  
• Click on "2-Step Verification" and complete the setup.
  
  
• You’ll need your phone to verify a code during the process.
  
  

Once this is done, extra security is enabled on your account.

🔐 Step 3: Access App Passwords

• After 2-Step Verification is active, return to the Security Settings page.
  
  
• Under the "Signing in to Google" section, you’ll now see "App passwords."
  
  
• Click on it. You may be asked to sign in again.

🔐 Step 4: Generate App Password for SMTP

• In the App Passwords section:
  
  
• Under "Select App", choose Mail.
  
  
• Under "Select Device", pick your device or select Other and name it (e.g., SMTP App).
  
  
• Click Generate.
  
  

You’ll see a 16-character password (example: abcd efgh ijkl mnop).
Copy this password, as it will be used in your SMTP setup.

💻 SMTP Configuration Settings for Gmail

Use these credentials to set up Gmail SMTP in your application:

• SMTP Server: smtp.gmail.com
  
  
• Port: 587 (TLS) or 465 (SSL)
  
  
• Username: Your full Gmail address
  
  
• Password: The 16-character App Password you just generated
  
  
  

✅ Why Use an App Password?

Using an App Password instead of your main Gmail password enhances your email security and ensures that your apps can still connect with Gmail after two-factor authentication (2FA) is enabled.

❓ Frequently Asked Questions (FAQs)

1. Why do I need to use an App Password for Gmail SMTP?

Because Google no longer supports "less secure apps", App Passwords are required after enabling 2FA for SMTP to work.

2. Can I use my regular Gmail password instead?

No. If 2FA is enabled, only the App Password will work for SMTP or third-party email tools.

3. How long is the App Password valid?

It remains valid unless you revoke it manually or change your Google account settings/security.

4. Is the 2-Step Verification setup mandatory?

Yes. Without enabling 2FA, you won’t get the App Password option needed for SMTP configuration.

Conclusion

Setting up Gmail SMTP with App Passwords is a one-time process that strengthens your account’s security and ensures smooth email sending via apps. Follow the steps above, and you’ll be all set in just a few minutes!

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