Explore the intricacies of messaging in distributed systems through this insightful conference talk delivered at NDC Porto. Delve into the benefits and challenges of incorporating messaging into modern system architectures. Learn about the advantages, such as increased reliability, improved performance, and easier scalability, while also addressing potential pitfalls like diagnosing problems and handling duplicate messages. Discover best practices for designing and implementing durable messaging, including techniques for ensuring reliability, consistency, and decoupling. Gain a comprehensive understanding of the messaging problem space and equip yourself with the knowledge to make informed decisions about integrating messaging into your distributed systems. By the end of this 53-minute presentation, acquire valuable insights to navigate the fine line between awesome and awful messaging implementations in your software development projects.