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Thore CimbalandClaude Opus 4.8 c0a428f43d docs(issues): close #0006 — apex DMARC already at p=reject, DKIM present
Verified via DoH: _dmarc.axion1337.de is p=reject (sorb changed it), subdomains
inherit reject with sp= absent per RFC 7489, and the noted DKIM gap was a false
alarm — IONOS uses s1-ionos/s2-ionos/s42582890 selectors, all present with valid
keys. Apex SPF left at ~all deliberately: real mail flows over the apex and DMARC
already enforces reject, so -all adds little while risking silent send breakage.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-14 12:00:00 +00:00
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