[email] Failed to authenticate on SMTP server error using gmail

Nothing wrong with your method, it's a G-mail security issue.

  1. Login g-mail account settings.

  2. Enable 2-step verification.

  3. Generate app-password.

  4. Use new-generated password in place of your real g-mail password.

Don't forget to clear cache.

php artisan config:cache.
php artisan config:clear.

MAIL_DRIVER=smtp
MAIL_HOST=mailtrap.io
MAIL_PORT=587
[email protected]
MAIL_PASSWORD=generatedAppPassword
MAIL_ENCRYPTION=tls

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