Yes, Magento 2 SMTP Email Extension can log failed email attempts. It records details like recipient address, subject, and error message. These logs help store teams find the cause of email failure fast. Admin users can check whether emails were sent, blocked, or rejected by the server. This reduces guesswork during support issues. With clear logs, fixing email problems becomes easier. Webkul's Magento 2 SMTP Email Extension also helps track repeated failures and improves overall email handling for Magento stores.