SMTP2Telegram 📧➡️📱

A lightweight SMTP server that forwards incoming emails to Telegram. Designed to run in Docker for easy deployment.

Uses a containerized version of ehlo.

Prerequisites 📋

• Docker and Docker Compose installed
• Telegram bot token (from @BotFather)
• Telegram chat ID where messages should be forwarded

Quick Start 🚀

1. Clone the repository:

   git clone https://github.com/felixkohlhas/smtp2telegram.git
   cd smtp2telegram

2. Copy and configure the example file:

   cp docker-compose.example.yml docker-compose.yml
   nano docker-compose.yml  # or edit with your preferred editor

3. Set your Telegram credentials:

   environment:
     TELEGRAM_BOT_TOKEN: "your_bot_token_here"
     TELEGRAM_CHAT_ID: "your_chat_id_here"

4. Build and run the container:

   docker-compose build
   docker-compose up -d

Configuration ⚙️

Environment Variables

Ports

• SMTP port (default: 10025) - ensure this is accessible and not blocked

Usage Example 💡

Configure your email client or application to send emails to:

• Server: IP/hostname where SMTP2Telegram is running
• Port: 10025 (or your custom port)
• No authentication required

All received emails will be forwarded to your specified Telegram chat.