#rfc6376 — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #rfc6376, aggregated by home.social.
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DKIM alignment: the failure nobody catches
for DMARC to pass via DKIM, the `d=` domain must align with the `From` header domain
this is the #1 misconfiguration I see in DMARC reports
the fix: configure your ESP to sign with your custom domain
in most ESPs, this means adding a CNAME for `{selector}._domainkey.yourdomain.com` pointing to their signing infrastructure