mailx-tools

Mailx Tools is an MCP server that gives AI agents a complete email-deliverability diagnostics toolkit. Verify your domain's ▎ SPF, DKIM, DMARC, and BIMI configuration, look up any DNS record type (MX, CNAME, TXT, PTR), check blacklists, test SMTP and ▎ IMAP servers, and auto-generate SPF and DMARC policies. Designed for marketers, deliverability engineers, and anyone ▎ troubleshooting why emails aren't landing in the inbox.