Mail7 Email Validation MCP Server: Install & Setup

Install Mail7 Email Validation in Claude Code

Claude Code

claude mcp add mail7-email-validation -- npx -y mail7-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "mail7-email-validation": {
      "command": "npx",
      "args": [
        "-y",
        "mail7-mcp"
      ]
    }
  }
}

Verify email addresses, clean lists, and audit a domain SPF, DKIM, DMARC and MX setup.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add mail7-email-validation -- npx -y mail7-mcp

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