Pierre-Olivier Mercier 1516991057 dmarc: implement RFC 7489 org-domain fallback and RFC 9091 PSD DMARC ... DMARC lookup now follows the full RFC 7489 §6.6.3 fallback chain: exact From domain → organizational domain (eTLD+1 via PSL) → public suffix domain (RFC 9091, only when psd=y is present). DNS errors abort immediately without triggering fallback; NXDOMAIN and missing v=DMARC1 records do trigger it. The found domain is exposed in the new DMARCRecord.domain field for reporting purposes. Also promote getOrganizationalDomain to a package-level function so both HeaderAnalyzer and DNSAnalyzer can share it, and fix pre-existing rbl_test.go compilation errors and stale score expectations. Closes: #98		2026-05-18 17:03:58 +08:00
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analyzer	dmarc: implement RFC 7489 org-domain fallback and RFC 9091 PSD DMARC	2026-05-18 17:03:58 +08:00