9. References

このページは RFC 9991 の該当節を要約し, ARF fields, ABNF, MIME example, privacy/security details を保持します.

Normative references include RFC 2119, RFC 5234, RFC 5322, RFC 5965, RFC 6590, RFC 6591, RFC 6692, RFC 8174, RFC 9989, and RFC 9990. Informative references include RFC 6651, RFC 6652, and RFC 7489.