MailX Email Deliverability for Zed

com.themailx/email-deliverability

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

client:Zed transport:streamable-http tools:16

Install MailX Email Deliverability in Zed

~/.config/zed/settings.json · windows: %APPDATA%\Zed\settings.json

{
  "context_servers": {
    "email-deliverability": {
      "url": "https://themailx.com/mcp"
    }
  }
}

Merge this into your existing settings object — do not replace the file. Zed docs