Mailroom: A Go Framework for Event-Driven User Notifications

Mailroom: A Go Framework for Event-Driven User Notifications

Summary

Mailroom is a robust Go framework developed by SeatGeek, designed to streamline the creation, routing, and delivery of user notifications. It processes events from external systems, transforming them into tailored notifications for various transports. This flexible and extensible tool simplifies complex notification workflows, ensuring timely and relevant communication.

Repository Info

Updated on October 11, 2025
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Tags

golangnotificationswebhooksgoevent-drivenframeworkdeliveryautomation

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Introduction

Mailroom, developed by SeatGeek, is a powerful Go framework for managing user notifications. It acts as a central relay for incoming webhooks and events from external systems, simplifying the process of creating, routing, and delivering notifications to users. Mailroom is built to be highly flexible and extensible, adapting to evolving notification requirements.

Installation

To get started with Mailroom, you'll need a Go development environment. The project's official documentation provides comprehensive guides for setting up and configuring Mailroom. For detailed installation instructions, please refer to the Getting Started guide.

Examples

Mailroom's core functionality involves transforming incoming events into structured notifications. You can see a practical example of how to use Mailroom by examining the internal/example.go file within the repository. This file demonstrates how to integrate and utilize the framework's capabilities. Explore the example code for implementation details.

Why use Mailroom

Mailroom offers several compelling advantages for developers dealing with notification systems:

  • Centralized Notification Relay: It serves as the primary hub for all incoming webhooks and events.
  • Flexible Routing: Notifications are sent to appropriate users based on their preferences, allowing for diverse delivery channels, for example, email for PR reviews, Slack for build failures.
  • Transport Formatting: It handles the specific formatting requirements for different notification transports like email or Slack.
  • User Matching: Mailroom can match usernames, emails, and IDs across various external systems.
  • Robustness: It includes built-in features for logging, error handling, and retries, ensuring reliable notification delivery.
  • Extensibility: Easily add new event types and transports as your system grows.

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