analyse_spf
Resolves the complete SPF include tree, counts DNS lookups against the RFC 7208 limit of 10, and names the services authorised to send mail.
How to use it
analyse_spf is exposed by the Posturecheck MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the analyse_spf tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
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