8 个# spf MCP 服务器和客户端

Email deliverability tools for AI agents. Check SPF, DKIM, DMARC, BIMI, blacklists, SMTP/IMAP connectivity, and generate DNS records.

MCP server for email deliverability: validate SPF/DKIM/DMARC/BIMI, check blacklists, test SMTP/IMAP, look up DNS, and generate ready-to-deploy records for any major email provider. Ships with two one-click prompts (audit-deliverability, setup-dns). Public, no auth.

Exposes 280+ free dev/security tools from onlinecybertools.com as MCP tools in one server: Base64/URL/JWT encoders, MD5/SHA/HMAC/bcrypt/argon2 hashes, JSON/YAML/XML formatters, regex tester, network diagnostics (ping/traceroute/dig/whois/SSL/SPF/DMARC), and OSINT lookups. No auth

PowerDMARC

powerdmarc

PowerDMARC's MCP server brings live email authentication data directly into any MCP-compatible AI assistant: Claude, ChatGPT, Cursor, and others. Instead of generic DMARC advice, the AI works from a customer's actual acc

Checks email domain deliverability via DNS: SPF, DKIM, DMARC, MX

IntoDNS MCP Server — DNS & Email Security Scanning

RoscoNL

Free MCP server that gives Claude, Cursor, Windsurf, and other AI assistants live DNS and email security scanning. Exposes 5 tools: scan_domain (full DNS & email security scan with A+ to F grade), check_email_security (SPF, DKIM, DMARC + blacklists), lookup_dns (any record type),

AstraVerify Domain Trust Check

AstraVerify

Email security and AI discoverability scores for any domain, with the exact DNS record or tag to fix. Five read-only tools, no account or key needed.

DMARKOFF — DMARC, SPF & DKIM Analytics

dmarcoff

DMARKOFF MCP connects your DMARC monitoring data to AI assistants — Claude, ChatGPT, Cursor, Windsurf — via the Model Context Protocol. Instead of opening a dashboard and building filters, you ask questions and get real answers backed by actual data.