7. Other Topics

Questa pagina riassume la sezione corrispondente di RFC 9989 e conserva tag DMARC, nomi DNS, ABNF e valori IANA.

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.