How Does Magento 2 SMTP Extension Handle Large-Volume Email Sending?

Magento 2 SMTP Extension helps send large volumes of emails smoothly. It connects your store to a trusted SMTP server instead of using the default PHP mail function. This method is faster and more reliable for bulk emails. The extension works with servers like Gmail, SendGrid, or Amazon SES. It supports proper authentication, encryption, and queuing to prevent delivery issues. Newsletters, promotional emails, and transactional messages reach customers on time. By using Magento 2 SMTP Extension, businesses can ensure high deliverability, avoid spam folders, and handle large email campaigns efficiently.