Outbox Pattern in .NET: How to Guarantee Message Delivery Without Distributed Transactions

Here's a detailed guide to implementing Outbox in .NET 10 using EF Core, PostgreSQL, RabbitMQ, and MassTransit. In this article, you'll learn how to avoid event loss in distributed systems by storing business data and messages in a single transaction, and then publishing asynchronously through a separate background process. The article also discusses the issues of scaling, processing "poisonous" messages, and monitoring.