"Gmail" matching MCP connectors:

IntoDNS.ai DNS & Email Security ScannerA

ai.intodns

DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.

Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMA.

Check a domain's email DNS, whether Gmail and Outlook accept its mail, and its registration.

Assess any domain's email security across SPF, DMARC, DKIM, MTA-STS, DNSSEC, DANE, and TLS-RPT.

Pipefire email deliverability toolsA

ai.pipefire

Free email deliverability tools: SPF, DKIM, DMARC, blacklist and header checks, cold email scoring.

Validates email syntax, disposable/burner provider status, role accounts, and live DNS records.

PricklyMailsAOAuth

com.pricklymails

Verify email addresses before you send: honest verdicts, no address kept, EU-hosted.

Real-time RFC 5321 email verification with direct TCP port 25 SMTP mailbox checks, disposable/burner firewall (100k+ domains), and bulk cleaning for AI agents. Sub-140ms latency with zero email delivery.

Email posture for any domain: can it receive mail, can it be spoofed? MX, SPF and DMARC.

Why do a domain's emails go to spam? Checks SPF, DKIM, DMARC, MX and blocklists. Free, no login.

Check SPF, DKIM, DMARC, blocklists, reverse DNS and email headers against Gmail/Yahoo sender rules.

Daily SPF, DKIM, DMARC and MX monitoring with webhook alerts, plus free sending-domain audits.

Email intelligence MCP: MX/SPF/DKIM/DMARC, score, enrichment. x402 on emailiq.dev/mcp.

BlackVeil DNS & Email Security ScannerB

com.blackveilsecurity

DNS and email security scanner with 81 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

Pay-per-call domain and email security check: SPF, DKIM, DMARC, TLS, DNSSEC, BIMI, with exact fixes.

Free, no login: verify an email address, check SPF/DKIM/DMARC, explain SMTP errors, build SPF/DMARC.

Check a domain's public SPF, DMARC, MX and DKIM DNS records on demand. No account required.

SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts.

Verify emails: syntax, MX, SMTP mailbox, disposable, role and catch-all checks. Single and bulk.

$0.01/call via x402: OFAC wallet screen, DNS, email auth, domain age, email verify, URL unshorten.