Email Deliverability Checker

Connect Remote server

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

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

{
  "servers": {
    "email-deliverability-mcp": {
      "type": "http",
      "url": "https://api.ownmailserver.com/tools/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://api.ownmailserver.com/tools/mcp

Tools 3 found in our last check

• 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 severity with the fix for each, plus the email services the domain uses.

• 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 UCEPROTECT level 1. A refused Spamhaus query is reported as unknown, never as a listing.

• 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 (and whether DKIM covers it), TLS, reverse DNS and Message-ID. Use the full headers as the recipient got them (Gmail:…

Details

More communication servers See all

• Formpit

  Form backend with an inbox: create form endpoints, read submissions and reply by email.

• IGNOREO

  Tools for AI agents, pay per call in USDC (x402): privacy scan, site/email/VIN checks, chess, more

• Palimpalem

  Websites for local businesses: draft, keep, edit by chat, publish; domain, DNS, e-mail, Plus.

• Quokka Korea Tools

  Korean holidays, business days & legal deadlines, won amounts in words, NEIS/SMS byte counts

• Turbo Notify: WhatsApp for AI agents

  Send, receive, edit and react to WhatsApp messages from your own number. OAuth or API key sign-in.

• Turbo Notify: WhatsApp for AI agents

  Send, receive, edit and react to WhatsApp messages from your own number. OAuth or API key sign-in.