Email sending and receiving.

Overview

Email sending and receiving.

Example 

  // Jakarta EE application with @ApplicationScoped
// Deploy to Payara, WildFly, or OpenLiberty

Common Use Cases

  • Enterprise applications
  • Standardized APIs
  • Application server deployment

Pitfalls to Avoid

  • Mixing javax.* and jakarta.* namespaces
  • Not updating dependencies for Jakarta EE 9+
  • Spring Boot
  • MicroProfile
  • JPA

Best Practices

  • Understand when to use jakarta mail versus simpler alternatives
  • Write unit tests covering edge cases and failure paths
  • Follow Java conventions and prefer standard library APIs when available
  • Profile before optimizing — measure impact in your specific workload