Email (IMAP/SMTP)

io.github.mindstone/mcp-server-email-imap

Email IMAP/SMTP MCP server: iCloud, Gmail, Yahoo, Outlook, and custom IMAP providers

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "mcp-server-email-imap": {
      "command": "npx",
      "args": [
        "-y",
        "@mindstone/mcp-server-email-imap@0.3.3"
      ],
      "env": {
        "EMAIL_IMAP_EMAIL": "<your EMAIL_IMAP_EMAIL>",
        "EMAIL_IMAP_PASSWORD": "<your EMAIL_IMAP_PASSWORD>",
        "EMAIL_IMAP_IMAP_PORT": "993",
        "EMAIL_IMAP_SMTP_PORT": "587",
        "EMAIL_IMAP_MAX_RECIPIENTS": "25",
        "EMAIL_IMAP_RATE_LIMIT_PER_HOUR": "50",
        "EMAIL_IMAP_RATE_LIMIT_WINDOW_MS": "3600000"
      }
    }
  }
}
Environment variables
  • EMAIL_IMAP_EMAILrequiredEmail address
  • EMAIL_IMAP_PASSWORDrequiredsecretApp-specific password
  • EMAIL_IMAP_IMAP_PORTCustom IMAP port
  • EMAIL_IMAP_SMTP_PORTCustom SMTP port
  • EMAIL_IMAP_MAX_RECIPIENTSSafety cap: maximum combined To+CC+BCC recipients per email_send call. Defaults to 25; raising bypasses spam-prevention guardrails against prompt-injection-driven mass sends.
  • EMAIL_IMAP_RATE_LIMIT_PER_HOURSafety cap: maximum email_send calls per rolling window. Defaults to 50; protects against runaway sends when injection content escapes the LLM's intent.
  • EMAIL_IMAP_RATE_LIMIT_WINDOW_MSSliding-window length for the rate limit (ms)

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.3.3
Registry
active
Published
11/8/2026

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Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.