7. Other Topics

Diese Seite fasst den entsprechenden Abschnitt von RFC 9989 zusammen und bewahrt DMARC-Tags, DNS-Namen, ABNF und IANA-Werte.

Other topics include SPF-specific issues, rejecting messages, interoperability issues, and operational interoperability considerations. Rejection behavior must account for SMTP semantics and the possibility of forwarding, mailing lists, or other intermediaries that affect authentication results.