Why Aren't My Laravel Emails Sending Through Gmail, and How Can I Fix Persistent SMTP Errors?

How to Send Mail Using Gmail in Laravel: Troubleshooting Persistent SMTP Errors

In an attempt to send emails from a localhost using Gmail, many developers encounter persistent SMTP errors. Despite modifications to the config/mail.php file and .env settings, the errors persist.

Solution: Enabling Two-Step Verification and Using App Password

The root cause of this issue lies in Google's enhanced security measures. To resolve it, follow these steps:

1. Log in to your Gmail account.
2. Navigate to My Account > Sign In And Security > Sign In to google.
3. Enable two-step verification.
4. Generate an app password specific to your application.

Updated .env Configuration

Once you have an app password, update your .env file as follows:

MAIL_DRIVER=smtp
MAIL_HOST=smtp.gmail.com
MAIL_PORT=587
[email protected]
MAIL_PASSWORD=apppassword
MAIL_ENCRYPTION=tls

Clearing Configuration Cache

After making these changes, run the following command to clear the configuration cache:

php artisan config:cache

This should resolve the SMTP error and enable you to successfully send emails from localhost using Gmail.

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