MailCatcher NG - Lightweight Email Testing for Development
Instantly capture and inspect emails from your application during development. This ultra-lightweight Docker image brings MailCatcher NG to your stack with zero external dependencies—everything runs inside the container.
Features
SMTP server on port 1025 + Web UI on port 1080
Built on minimal Alpine Linux (3.23.3) for fast deployments
Runs as non-root user with security best practices
Multi-architecture support (x86_64, ARM64, ARM v6/v7/v8)
Pre-optimized image with MailCatcher NG 1.5.3
Quick Start
Configure your application to send SMTP to the MailCatcher service on port 1025, then access the web UI on port 1080 to view all emails in real-time. Perfect for development, testing, and staging environments.
Originally created by @spaquet on GitHub (Mar 17, 2026).
Original GitHub issue: https://github.com/Dokploy/templates/issues/747
# MailCatcher NG - Lightweight Email Testing for Development
Instantly capture and inspect emails from your application during development. This ultra-lightweight Docker image brings MailCatcher NG to your stack with zero external dependencies—everything runs inside the container.
## Features
- SMTP server on port 1025 + Web UI on port 1080
- Built on minimal Alpine Linux (3.23.3) for fast deployments
- Runs as non-root user with security best practices
- Multi-architecture support (x86_64, ARM64, ARM v6/v7/v8)
- Pre-optimized image with MailCatcher NG 1.5.3
## Quick Start
Configure your application to send SMTP to the MailCatcher service on port 1025, then access the web UI on port 1080 to view all emails in real-time. Perfect for development, testing, and staging environments.
## Project
- [MailCatcher NG GitHub](https://github.com/spaquet/mailcatcher)
- [Docker Image Repository](https://github.com/spaquet/docker-alpine-mailcatcher)
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Originally created by @spaquet on GitHub (Mar 17, 2026).
Original GitHub issue: https://github.com/Dokploy/templates/issues/747
MailCatcher NG - Lightweight Email Testing for Development
Instantly capture and inspect emails from your application during development. This ultra-lightweight Docker image brings MailCatcher NG to your stack with zero external dependencies—everything runs inside the container.
Features
Quick Start
Configure your application to send SMTP to the MailCatcher service on port 1025, then access the web UI on port 1080 to view all emails in real-time. Perfect for development, testing, and staging environments.
Project