E-Mail Protection Service. Secure your inbox. Protect your identity.
MailShield is a minimalist, resource-efficient PHP application designed to hide email addresses behind encrypted links and a Cloudflare Turnstile check. It’s the perfect solution for sharing email addresses on public websites without being targeted by scraper bots.
- Zero-Tracking: No cookies, no analytics.
- Secure: AES-256-GCM encryption for all stored data.
- Bot Protection: Integrated Cloudflare Turnstile (Captcha alternative).
- Lightweight: Optimized for small home labs (minimal RAM usage).
- Modern UI: Built with Tailwind CSS, including Dark Mode support.
- Multilingual: Automatically detects German and English.
- Badge: Use a badge to promote your protection
MailShield supports:
- SQLite (default, zero config)
- PostgreSQL (recommended for production)
Switch via environment variables.
Use this stack configuration for Portainer.
services:
mailshield:
image: ghcr.io/rondev/mailshield:latest
container_name: mailshield
restart: unless-stopped
environment:
# Generate a secure key (e.g., openssl rand -base64 32)
- APP_KEY=base64:GeneriereMichBitteNeu12345678901234567=
- https://mailshield.deine-domain.de
# Admin Access
- ADMIN_SITE=false
- ADMIN_USER=admin
- ADMIN_PASS=admin123
# Cloudflare Turnstile
- CF_SITE_KEY=1x00000000000000000000AA
- CF_SECRET_KEY=1x0000000000000000000000000000000AA
- DB_PATH=/var/www/html/data/mailshield.sqlite
ports:
- "8080:80"
volumes:
- ./data:/var/www/html/data