Magento 2 SMTP Extension supports SSL and TLS encryption for secure email sending. You can set the SMTP host, port, username, and password easily. SSL uses port 465, while TLS uses port 587 for safe email delivery. The extension also lets you pick the authentication method and encryption type. By using Magento 2 SMTP Extension, store owners can send emails safely. Check out more details at: https://store.webkul.com/magento2-smtp-extension.html