Free email checks: 24 blacklists, spoofing/BEC grade, redirect tracing, email spam test, WHOIS.
Postbox-tools is an MCP integration. Free email checks: 24 blacklists, spoofing/BEC grade, redirect tracing, email spam test, WHOIS.
The registry lists a streamable-http connection at https://mcp.postboxservices.com/mcp.
Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.
View the publisher’s registry entry · Project website. This profile uses version 0.1.1 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.
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