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Is Mail Security Tools reliable?

Reliable (measured) Yes. Faceabot measured Mail Security Tools 15 times: 100% of checks succeeded, including the last 15 in a row (last check 2026-10-19 12:25 UTC). It also does the job: its real read-only task worked 15 of 15 times.

Last check: 2026-10-19 12:25 UTC · answered in 7877 ms · remote (no install)

En français : Fiable (mesuré). Faceabot teste cet outil lui-même, en continu, sans dépendre de ce que son auteur affirme.

What it does

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

Source: official MCP registry (registry.modelcontextprotocol.io) · version 1.1.0 · publisher website
Connect your agent
{
  "mcpServers": {
    "email-security": {
      "url": "https://api.mailsecuritytools.com/mcp"
    }
  }
}
Or ask Faceabot first: MCP tool check_reliability {"id":"com.mailsecuritytools.api/email-security"} on https://faceabot.com/api/mcp.
Does it actually do the job?

Does the job (tested) — Faceabot asked pricing to do a small read-only task 15 time(s): 15 returned a real result, the last 15 in a row. Last result: ok in 1975 ms.

Sample input: {}. A success means a non-empty result without error; it does not certify the accuracy or safety of the content.
Other proven tools for the same job

Email Auth Checker Reliable (measured) · 100%
SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts. · https://email-auth-check.quietworklabs.workers.dev/mcp

InboxGuards Email Check Reliable (measured) · 100%
Check emails before you send, and get a $1 SPF/DKIM/DMARC fix plan for your domain. Pay per call. · https://api.inboxguardstest.com/mcp

IntoDNS.ai DNS & Email Security Scanner Reliable (measured) · 100%
DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools. · https://intodns.ai/api/mcp

Picked from Faceabot's live measurements. Or let Faceabot choose: GET https://faceabot.com/resolve?need=…
Faceabot measurements
WhenAnswersReal taskLatency
2026-10-19 12:25 UTC✅ ok✅ done7877 ms
2026-10-18 20:15 UTC✅ ok✅ done6976 ms
2026-10-18 07:10 UTC✅ ok✅ done5543 ms
2026-10-17 23:20 UTC✅ ok✅ done4940 ms
2026-10-17 15:10 UTC✅ ok✅ done5507 ms
2026-10-17 07:05 UTC✅ ok✅ done4468 ms
2026-10-16 23:15 UTC✅ ok✅ done4165 ms
2026-10-16 16:05 UTC✅ ok✅ done7096 ms
2026-10-16 09:05 UTC✅ ok✅ done4073 ms
2026-10-16 02:10 UTC✅ ok✅ done5269 ms
2026-10-15 19:15 UTC✅ ok✅ done5840 ms
2026-10-15 12:31 UTC✅ ok✅ done4056 ms
2026-10-15 05:55 UTC✅ ok✅ done4043 ms
2026-10-14 23:25 UTC✅ ok✅ done2488 ms
2026-10-14 17:00 UTC✅ ok✅ done8017 ms
Method: MCP initialize then tools/list from Faceabot (FaceabotProbe/1.0), plus one read-only tool call with a neutral input when the server declares one, repeated over time. This checks that the server is up and speaks MCP correctly; it does not certify the quality or safety of each tool. How measurement works.

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Publisher of Mail Security Tools?

Show your measured reliability on your README or website:

Faceabot reliability badge for Mail Security Tools

[![Measured by Faceabot](https://faceabot.com/badge/com.mailsecuritytools.api/email-security.svg)](https://faceabot.com/tools/com.mailsecuritytools.api/email-security)
Data in JSON: /api/catalog?id=com.mailsecuritytools.api/email-security · Stop probes: POST /api/reliability/opt-out

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