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

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-10-10T16:15:00.434783Z",
      "publishedAt": "2026-10-10T16:15:00.434783Z",
      "statusChangedAt": "2026-10-10T16:15:00.434783Z"
    }
  },
  "server": {
    "name": "dev.workers.cybermax-tools.cybermax/send-email",
    "_meta": {
      "io.modelcontextprotocol.registry/publisher-provided": {
        "note": "Runs as an Apify Actor through Apify's hosted MCP server; send your own Apify token as the Authorization header (without it the endpoint answers 401 by design).",
        "apify": "https://apify.com/cybermax/send-email",
        "store": "https://cybermaxtools.com/store/",
        "pricing": {
          "paid": "Pay per result on Apify (billed to your own Apify account)"
        },
        "support": "cybermax.tools@gmail.com",
        "security": "https://cybermaxtools.com/.well-known/security.txt",
        "publisher": "CyberMax",
        "categories": [
          "email",
          "automation"
        ]
      }
    },
    "icons": [
      {
        "src": "https://cybermaxtools.com/store/img/letterkeel-send-email-icon.webp",
        "sizes": [
          "96x96"
        ],
        "mimeType": "image/webp"
      }
    ],
    "title": "Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "remotes": [
      {
        "url": "https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry",
        "type": "streamable-http",
        "headers": [
          {
            "name": "Authorization",
            "isSecret": true,
            "isRequired": true,
            "description": "Your Apify API token, as 'Bearer <apify-api-token>'. Runs are billed per email recipient accepted to your Apify account."
          }
        ]
      }
    ],
    "version": "1.0.1",
    "websiteUrl": "https://cybermaxtools.com/store/letterkeel-send-email/",
    "description": "Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark"
  }
}