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Developer ToolsAlternative to MailosaurAlternative to SendGrid SandboxAlternative to Mailtrap

MailHog

Web and API based SMTP testing tool for local software developers.

View on GitHub
LicenseMIT
GitHub stars14.5k
Last commit1 weeks ago
Tags5 topics
Mailhog TestingSmtp Test ServerFake Smtp ReceiverEmail Mock InboxDeveloper Tools
Overview

Why consider MailHog?

MailHog is an open-source email testing tool written in Go by Ian Kent. MailHog runs a local SMTP server that catches outgoing emails from development environments, displaying them in a web UI and providing a JSON API for automated end-to-end integration test assertions.

Guided learning

Learn MailHog by building

Practical setup notes, real use cases, and copy-ready examples in one focused guide.

1 min read 2 sections
In this guide2 sections

Overview of MailHog

MailHog intercepts transactional emails locally without forwarding them to real recipients.

Docker Quickstart

bash
1docker run -d -p 1025:1025 -p 8025:8025 mailhog/mailhog

MailHog is licensed under the permissive MIT License.

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MailHog FAQs

MailHog is listed as a Developer Tools tool on TiloBox. Review the overview, features, and official documentation on this page to decide whether it solves your specific workflow.

Start with the project's GitHub repository for supported installation and deployment instructions. Test the setup with representative data or a small project before rolling it out more widely.

MailHog is listed under the MIT license. Read the complete license text and the project's notices before using, modifying, or distributing the software.

Production readiness depends on your requirements. Review maintenance activity, security practices, documentation, backup and upgrade procedures, and compatibility with your stack; then validate it in a non-production environment.

MailHog is listed as an alternative to Mailosaur. Compare the core workflow, deployment model, integrations, and licensing against your must-have requirements before switching.