SpamFixer Email Deliverability Check for Cursor

com.spamfixer/email-deliverability-check

Why do a domain's emails go to spam? Checks SPF, DKIM, DMARC, MX and blocklists. Free, no login.

client:Cursor transport:streamable-http tools:1

Install SpamFixer Email Deliverability Check in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "email-deliverability-check": {
      "url": "https://spamfixer.com/mcp"
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs