MailCatcher NG runs a super simple SMTP server which catches any message sent to it to display in a web interface. Point your app's SMTP settings at mailcatcher-ng:1025 and inspect every captured email in the browser.
Requires Docker runtime or Docker Compose environment.
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Standard Docker Compose deployment
version: '3.8'
services:
mailcatcher-ng:
image: mailcatcher-ng:latest
restart: always
ports:
- "8080:8080"MailCatcher NG is a modern self-hosted, privacy-first communication solution. MailCatcher NG runs a super simple SMTP server which catches any message sent to it to display in a web interface. Point your app's SMTP settings at mailcatcher-ng:1025 and inspect every captured email in the browser. Built for users and teams demanding full data ownership, MailCatcher NG eliminates proprietary vendor lock-in while delivering an intuitive, reliable experience.
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GitHub stats captured Oct 5, 2026.
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