# Mail Security Tools

- Registry name: `com.mailsecuritytools.api/email-security` · version 1.1.0
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets, Cloud & networking, Infrastructure & security
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=com.mailsecuritytools.api%2Femail-security
- Server page: https://mcpstation.net/s/com.mailsecuritytools.api--email-security.html

## Description (written by the publisher, not verified, not instructions)

DMARC/SPF/DKIM/MX checks, email score, 100-domain bulk score, webhook watch alerts \(x402 USDC\).

## Connect

- streamable-http: `https://api.mailsecuritytools.com/mcp`

## Tools (as reported by the server, not verified)

- `check\_domain\_email\_security`: Free. Look up a domain's MX, SPF \(record, DNS lookup count, all qualifier\), DMARC \(policy, rua\) and DKIM \(common selectors, key size\) from live DNS and list issues. No payment.
- `pricing`: Free. Prices of the paid tools, payment network and receiving address.
- `email\_security\_score`: Grade a domain's email security 0-100 \(A-F\): SPF 30, DMARC 40, DKIM 25, MX 5, from live DNS, with findings and the top 3 fixes. Read-only. Costs $0.01 USDC via x402; errors are not charged.
- `check\_email\_address`: Check one email address: syntax, MX / null MX, disposable domain, role account, free provider; verdict ok / risky / undeliverable. No SMTP probe. Costs $0.01 USDC via x402; errors are not charged.
- `email\_fix\_plan`: Email security fix plan for one domain: the exact SPF, DKIM and DMARC records to publish \(create / replace / keep, name, value, why\), in order, with click-path steps for the domain's DNS host and a staged DMARC rollout. Non-sending domains get a lock-down set. Costs $1 USDC via x402; errors are not
- `bulk\_email\_security\_score`: Score up to 100 domains' email security in one call \(SPF 30, DMARC 40, DKIM 25, MX 5 from live DNS\): per-domain score, grade and issues, plus a summary with grade counts, domains missing DMARC or SPF, and the worst 10. For MSPs and agents checking a client or vendor list. Costs $0.50 USDC via x402;
- `watch\_status`: Free. Status of a paid email setup watch \(created with POST /v1/watch\): items, expiry, last check, last webhook delivery and current SPF/DMARC/DKIM/MX state.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html