Users appreciate this WordPress plugin for its effectiveness in troubleshooting and logging email issues. It helps ensure emails are correctly sent and received, offering valuable insights and diagnostic features, which save users time and effort. Flexibility in email tracking, ease of installation, and simplicity in use are among its praised attributes. Users also value the plugin's ability to solve mail issues effortlessly and provide peace of mind regarding email delivery. However, some noted drawbacks include lack of thorough documentation, occasional backend slowdown, and installation issues in WordPress subdirectories. Some users also desired a cheaper version with only essential features. Despite these, the plugin is largely seen as a valuable tool for ensuring reliable email communication.