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

Connect it

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

CopySettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry

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

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

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

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