Discovered · unverified
Postbox Services - Email Deliverability & Security Tools
Free email deliverability and security checks by Postbox Consultancy Services - live DNS, real blacklist queries and actual SMTP analysis instead of guesses from training data. 8 tools: email blacklist check (24 DNSBLs incl. Spamhaus ZEN, Barracuda, SpamCop), spoofing/BEC exposure grade (A-F), URL redirect chain tracer with phishing flags, two-step email spam test (disposable address -> /10 score), raw .eml analysis, domain age, WHOIS. Open access, no account, no API key. Fair-use limits. Email files are processed in memory and never stored; logs hold meta
Check the source before connecting.
Vendor ownership, pricing, documentation, and execution are not verified for this discovery record. Appearing in the official MCP registry does not mean this server is vendor-owned or tested.
Relevance and review status.
Awaiting triage. Method: not yet classified.
Task signals: email.
Setup and documentation.
No verified installation steps or callable endpoint are supplied by this discovery record. Follow the original repository or directory entry to inspect current setup instructions, permissions, and authentication.
Source receipts.
- smithery · Observed 2026-10-17
Discovery ID: fb1fc9a8863df76652df. Snapshot: 2026-10-17. Read this record as JSON · Full discovery dataset.
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