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mcp/harbor
Verified official

MailX Email Deliverability MCP

v1.0.0

com.themailx/email-deliverability

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

transport:streamable-http
Website

Target client

run in your project directory 

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

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.