MailHog

Testing

MailHog vs Mailpit vs Mailtrap: Email Testing Tools Compared (2026)

MailHog is the classic local SMTP catcher—simple, lightweight, widely used, and no longer maintained. Mailpit is its modern replacement: faster, ARM-native, with a cleaner API and better CI support. Mailtrap is the cloud-hosted option with spam analysis and team collaboration. This comparison covers all three so you

Testing

Local Email Testing with MailHog in Docker: Capturing, Inspecting, and Asserting Emails

MailHog is an open-source local SMTP server that captures all outgoing emails and exposes them via a web UI and HTTP API. No signups, no internet connection required, and no risk of emails reaching real users. This guide covers running MailHog in Docker, asserting on captured emails via its