MCP servercom.postboxservices/postbox-tools
Free email checks: 24 blacklists, spoofing/BEC grade, redirect tracing, email spam test, WHOIS.
Overview
Score?
UNRATED 0.331
of what a free look can see, on 10 looks
Looks
10
last 3 hr ago
Tools
8
changed 6 days ago
More info
URL
mcp.postboxservices.com/mcp
streamable-http
Says it is
postbox-tools 0.1.1
protocol 2025-06-18
In the record since
7 days ago
Among servers18,413 with a card
0median 0.606 · this server 0.331 · highest on record 0.8561
Toolsfrom sha256:0d1d085e62…8659ba · +0 −0 6 days ago
| Tool | Schema |
|---|---|
| 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 |
input · no output |
| check_blacklist Check a domain against domain blacklists (Spamhaus DBL, SURBL, URIBL and others), or an IP address against 24 IP blacklists including Spamhaus ZEN, Barracuda and SpamCop. Checks th |
input · no output |
| 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 g |
input · no output |
| 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-sen |
input · no output |
| get_domain_age Get a domain's registration date and age (young domains have weak sending reputation). |
input · no output |
| 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. |
input · no output |
| 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, |
input · no output |
| whois_lookup WHOIS summary for a domain: registrar, created/updated/expires dates, nameservers, DNSSEC, status flags. |
input · no output |
Verify it yourself
npx teppi-check https://mcp.postboxservices.com/mcpcurl -s https://api.teppi.xyz/v1/trust/mcp/mcs_01M3GPXF4N255QV2KVS72SHA49