maxyychen/mcp-sendmail

# Source SMTP settings
source .env.sh

# Your settings are now available:
# SMTP_HOST, SMTP_PORT, SMTP_USER, SMTP_PASSWORD

# Create virtual environment
python -m venv venv
source venv/bin/activate  # Windows: venv\Scripts\activate

# Install dependencies
pip install -r requirements.txt

# Load SMTP settings from .env.sh
source .env.sh

# Run server
uvicorn src.server:app --reload --port 8080

# Build and run with Docker
docker build -t mcp-sendmail-server:latest .
docker run -d -p 8080:8080 \
  -e SMTP_HOST="smtp.gmail.com" \
  -e SMTP_PORT="587" \
  -e SMTP_USER="your-email@gmail.com" \
  -e SMTP_PASSWORD="your-password" \
  -v $(pwd)/logs:/app/logs \
  --name mcp-sendmail \
  mcp-sendmail-server:latest

# Start the server (automatically loads .env.sh)
./start.sh

# View logs
docker compose logs -f

# Stop the server
./stop.sh

# 1. Edit .env.sh with your SMTP credentials (already configured in this repo)
nano .env.sh

# Example .env.sh contents:
export SMTP_HOST="mail.example.com"
export SMTP_PORT="25"
export SMTP_USER="test@example.com"
export SMTP_PASSWORD="your-password"

# 2. Source the environment variables
source .env.sh

# 3. Start services (will use variables from .env.sh)
docker compose up -d

# View logs
docker compose logs -f

# Stop services
docker compose down

# Check health
curl http://localhost:8080/health

# Initialize MCP session (note the /mcp endpoint)
curl -X POST http://localhost:8080/mcp \
  -H "Content-Type: application/json" \
  -H "Accept: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "initialize",
    "params": {
      "protocolVersion": "2024-11-05",
      "capabilities": {},
      "clientInfo": {"name": "curl-client", "version": "1.0"}
    }
  }'

# Save the Mcp-Session-Id from response headers!
# Example: Mcp-Session-Id: 318a19a9-b757-4c0b-9ddb-a8dc1b40d240

# List available tools
curl -X POST http://localhost:8080/mcp \
  -H "Content-Type: application/json" \
  -H "Mcp-Session-Id: YOUR_SESSION_ID_HERE" \
  -d '{
    "jsonrpc": "2.0",
    "id": 2,
    "method": "tools/list",
    "params": {}
  }'

# Verify SMTP connection
curl -X POST http://localhost:8080/mcp \
  -H "Content-Type: application/json" \
  -H "Mcp-Session-Id: YOUR_SESSION_ID_HERE" \
  -d '{
    "jsonrpc": "2.0",
    "id": 3,
    "method": "tools/call",
    "params": {
      "name": "verify_connection",
      "arguments": {}
    }
  }'

# Send an email
curl -X POST http://localhost:8080/mcp \
  -H "Content-Type: application/json" \
  -H "Mcp-Session-Id: YOUR_SESSION_ID_HERE" \
  -d '{
    "jsonrpc": "2.0",
    "id": 4,
    "method": "tools/call",
    "params": {
      "name": "send_email",
      "arguments": {
        "to": "recipient@example.com",
        "subject": "Test Email",
        "body": "This is a test email sent via MCP Sendmail Server"
      }
    }
  }'

# Send an HTML email
curl -X POST http://localhost:8080/mcp \
  -H "Content-Type: application/json" \
  -H "Mcp-Session-Id: YOUR_SESSION_ID_HERE" \
  -d '{
    "jsonrpc": "2.0",
    "id": 5,
    "method": "tools/call",
    "params": {
      "name": "send_email",
      "arguments": {
        "to": "recipient@example.com",
        "subject": "HTML Test Email",
        "body": "<h1>Hello</h1><p>This is an <strong>HTML</strong> email!</p>",
        "html": true
      }
    }
  }'

# Send bulk emails
curl -X POST http://localhost:8080/mcp \
  -H "Content-Type: application/json" \
  -H "Mcp-Session-Id: YOUR_SESSION_ID_HERE" \
  -d '{
    "jsonrpc": "2.0",
    "id": 6,
    "method": "tools/call",
    "params": {
      "name": "send_bulk_email",
      "arguments": {
        "recipients": ["user1@example.com", "user2@example.com", "user3@example.com"],
        "subject": "Bulk Email",
        "body": "This email was sent to multiple recipients"
      }
    }
  }'

# Send template email
curl -X POST http://localhost:8080/mcp \
  -H "Content-Type: application/json" \
  -H "Mcp-Session-Id: YOUR_SESSION_ID_HERE" \
  -d '{
    "jsonrpc": "2.0",
    "id": 7,
    "method": "tools/call",
    "params": {
      "name": "send_template_email",
      "arguments": {
        "to": "recipient@example.com",
        "subject": "Welcome {name}!",
        "template": "Hello {name},\n\nWelcome to {company}!\n\nYour account is: {account}",
        "variables": {
          "name": "John Doe",
          "company": "Acme Corp",
          "account": "john.doe@acme.com"
        }
      }
    }
  }'

{
  "to": "recipient@example.com",
  "subject": "Meeting Tomorrow",
  "body": "Hi, let's meet tomorrow at 10 AM.",
  "cc": ["manager@example.com"],
  "html": false
}

{
  "recipients": ["user1@example.com", "user2@example.com", "user3@example.com"],
  "subject": "System Maintenance Notice",
  "body": "The system will be down for maintenance on Saturday."
}

{
  "to": "customer@example.com",
  "subject": "Order Confirmation",
  "template": "Dear {customer_name},\n\nYour order #{order_id} has been confirmed.\n\nTotal: ${total}",
  "variables": {
    "customer_name": "Jane Smith",
    "order_id": "12345",
    "total": "99.99"
  }
}

export SMTP_HOST="smtp.gmail.com"
export SMTP_PORT="587"
export SMTP_USER="your-email@gmail.com"
export SMTP_PASSWORD="your-app-password"  # Use App Password, not regular password

export SMTP_HOST="smtp.office365.com"
export SMTP_PORT="587"
export SMTP_USER="your-email@outlook.com"
export SMTP_PASSWORD="your-password"

export SMTP_HOST="smtp.sendgrid.net"
export SMTP_PORT="587"
export SMTP_USER="apikey"
export SMTP_PASSWORD="your-sendgrid-api-key"

export SMTP_HOST="smtp.mailgun.org"
export SMTP_PORT="587"
export SMTP_USER="postmaster@your-domain.mailgun.org"
export SMTP_PASSWORD="your-mailgun-smtp-password"

export SMTP_HOST="email-smtp.us-east-1.amazonaws.com"
export SMTP_PORT="587"
export SMTP_USER="your-ses-smtp-username"
export SMTP_PASSWORD="your-ses-smtp-password"

# Install dev dependencies
pip install -r requirements.txt

# Run tests
pytest tests/ -v

# Type checking
mypy src/

# Linting
ruff check src/

# Code formatting
black src/