pyspf
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lesson 991 tok
When an SPF record exceeds RFC 7208's 10-DNS-lookup limit, evaluation short-circuits on first match, so mechanisms before the budget cliff still return pass while everything after returns PermError. Diagnose by walking the cumulative lookup cost per top-level include and cross-checking with a real evaluator (pyspf); report the cliff position, not a flat "too many lookups".
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