Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun

Connect Remote server

claude mcp add --transport http send-email https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry --header "Authorization: Bearer <YOUR_API_KEY>"

{
  "mcpServers": {
    "send-email": {
      "url": "https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "send-email": {
      "type": "http",
      "url": "https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server asks for a key before it lists its tools. Connect it with your own key to see them.

Headers

Details

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