{
  "id": 2007358,
  "title": "How to set up a lightweight SMTP relay for your apps in seconds",
  "url": "https://urgent.news/2026/08/19/how-to-set-up-a-lightweight-smtp-relay-for-your-apps-in-seconds",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-08-19T19:50:33.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/wizard_0ac4371d77f3efd763/how-to-set-up-a-lightweight-smtp-relay-for-your-apps-in-seconds-32l1"
  },
  "original_language": "en",
  "account": "Setting up a lightweight SMTP relay for your applications can be accomplished swiftly with the help of ZeroSMTP, an open-source tool designed for straightforward email relaying. This open-source solution offers a quick and simple way to send emails without the need for a complex Mail Transfer Agent (MTA) such as Postfix.\n\nKey features of ZeroSMTP include:\n- Lightweight and fast: Built for easy email relaying without heavy configuration requirements.\n- Open source: Allows you to inspect, modify, and self-host the code easily.\n- Developer-friendly: Ideal for capturing logs, routing local development emails, or triggering server alerts.\n\nTo get started with ZeroSMTP, you can explore the repository on GitHub, where you'll find installation steps and Docker configurations. This tool is perfect for those involved in self-hosting, developer tools, or mail infrastructure.\n\nThe creator encourages feedback, feature ideas, and pull requests, inviting you to share your thoughts in the comments below.",
  "summary": "If you are running local applications, internal microservices, or custom scripts, you often just need a simple way to send email notifications without configuring a bloated, traditional Mail Transfer Agent (MTA) like Postfix. That is why I created ZeroSMTP – a lightweight, open-source SMTP relay gateway designed to keep things fast, simple, and frictionless. Why ZeroSMTP? Lightweight & Fast:…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}