Mailhog Smtp Testing Server With Web Ui And Api

---
name: "MailHog SMTP Testing Server with Web UI and API"
slug: "mailhog-smtp-testing-server-with-web-ui-and-api"
description: "Uses MailHog to capture outbound email in development and test environments through a local SMTP server, browser UI, and JSON API. It is a practical fit for debugging transactional mail, verifying templates, and testing delivery behavior without sending messages to real recipients."
github_stars: 15892
verification: "security_reviewed"
source: "https://github.com/mailhog/MailHog"
author: "MailHog"
publisher_type: "open_source_collective"
category: "Calendar, Email & Productivity"
framework: "Multi-Framework"
tool_ecosystem:
  github_repo: "mailhog/mailhog"
  github_stars: 15892
---

# MailHog SMTP Testing Server with Web UI and API

Uses MailHog to capture outbound email in development and test environments through a local SMTP server, browser UI, and JSON API. It is a practical fit for debugging transactional mail, verifying templates, and testing delivery behavior without sending messages to real recipients.

## Prerequisites

Docker, Homebrew, or Go

## Installation

Use the upstream install or setup path that matches your environment:
- brew update && brew install mailhog
- go install github.com/mailhog/MailHog@latest

Requirements and caveats from upstream:
- #### Docker
- [Run it from Docker Hub](https://registry.hub.docker.com/r/mailhog/mailhog/) or using the provided [Dockerfile](Dockerfile)
- Requires Go 1.4+ to build.

Basic usage or getting-started notes:
- Download and run MailHog
- #### Manual installation
- [Download the latest release for your platform](/docs/RELEASES.md). Then

- Source: https://github.com/mailhog/MailHog
- Extracted from upstream docs: https://raw.githubusercontent.com/mailhog/MailHog/HEAD/README.md

## Documentation

- https://github.com/mailhog/MailHog

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/mailhog-smtp-testing-server-with-web-ui-and-api/)