io.github.kryptoscan/email-deliverability-mcp

up checked 2026-11-11T07:37:53.844Z

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Publisher-provided title

Email Deliverability Checker

Publisher-provided description

Check SPF, DKIM, DMARC, blocklists, reverse DNS and email headers against Gmail/Yahoo sender rules.

Summary by lookupd

Checks domain SPF, DKIM and DMARC records, email headers against bulk sender rules, and sending IP blocklist status.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http email-deliverability https://api.ownmailserver.com/tools/mcp

Codex, remote (streamable-http)

codex mcp add email-deliverability --url https://api.ownmailserver.com/tools/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "email-deliverability": {
      "url": "https://api.ownmailserver.com/tools/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (3 tools)

Publisher-provided text

• check_domain Check a domain's SPF (including the 10-DNS-lookup limit), DMARC policy and reporting, DKIM keys on common selectors, and MX records. Returns problems ranked by
• check_sending_ip Check a mail server's IP: reverse DNS (PTR) and whether it resolves back to the IP, and listings on Spamhaus ZEN, Barracuda, SpamCop, PSBL, Mailspike and UCEPRO
• check_email_headers Check a received email's headers against Gmail's and Yahoo's bulk sender requirements: SPF, DKIM and DMARC results, From domain alignment, one-click unsubscribe

Details

• Version: 0.1.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 205 ms
• First indexed: 2026-11-01T09:37:58.916Z
• Last seen in registry: 2026-11-01T09:37:58.916Z
• Repository: https://github.com/kryptoscan/email-deliverability-mcp
• Website: https://ownmailserver.com/claude-email-connector

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• Last crawl: 2026-11-11T17:38:11.606Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp