postbox-tools

Ingested from the official MCP Registry

FastDrop pulled this entry from the official MCP Registry as com.postboxservices/postbox-tools and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed and the description is not theirs.

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Tools this endpoint exposes

Read directly from the endpoint on 26 Sept 2026. Not supplied by the maker.

• check_blacklist

  Check a domain (its mail-relevant IPs) or a single IP address against 24 DNS blacklists including Spamhaus ZEN, Barracuda and SpamCop. Returns per-IP listing status. Free tool by Postbox Services.

• check_spoofability

  Grade how exposed a domain is to email spoofing and business email compromise, from its public DNS (SPF, DMARC policy strength, alignment, live lookalike domains). Returns an A-F grade with findings.

• trace_redirect

  Follow a URL server-side through every HTTP redirect hop to its real final destination - per-hop status, IP, TLS and timing, plus phishing/deliverability flags (cross-domain jumps, https downgrades, m

• create_mailtest

  Create a disposable test address for a full email deliverability audit (score /10: SPF, DKIM, DMARC + alignment, blacklists, reverse DNS, SpamAssassin content, Gmail/Yahoo bulk-sender compliance). The

• get_mailtest_result

  Fetch the score and breakdown of a mail test created with create_mailtest, once the user has sent their email to the disposable address.

• analyze_eml

  Run a deliverability/content analysis on a raw RFC 822 email (.eml source: full headers + body). IMPORTANT LIMITS: with no live SMTP session, SPF, blacklist and reverse-DNS cannot be verified from a f

• get_domain_age

  Get a domain's registration date and age (young domains have weak sending reputation). Free tool by Postbox Services.

• whois_lookup

  WHOIS summary for a domain: registrar, created/updated/expires dates, nameservers, DNSSEC, status flags. Free tool by Postbox Services.

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