MailX Email Deliverability

com.themailx/email-deliverability

Check SPF/DKIM/DMARC/BIMI, blacklists, SMTP/IMAP; DNS lookups; generate email DNS records.

Description as published in the official MCP registry.

Answers the MCP handshake and lists its tools. Checked 2026-10-04.

What we measured

Endpoint	`https://themailx.com/mcp`	registry
Handshake	Answers the MCP handshake and lists its tools (2,080 ms)	our check, 2026-10-04
Protocol version	2025-11-25	our check, 2026-10-04
Tools (16)	spf_check, dkim_check, dmarc_check, bimi_check, dmarc_generate, spf_generate, smtp_check, imap_check, smtp_finder, imap_finder, blacklist_check, mx_lookup, txt_lookup, cname_lookup, ptr_lookup, dns_lookup	tools/list, 2026-10-04
Registry version	1.0.0 · active · updated 2026-04-17	registry

Signed reports

No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows a real call went through, not just an opinion. How to file one.

Connect

claude mcp add --transport http email-deliverability https://themailx.com/mcp

Commands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.

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Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name com.themailx/email-deliverability.