Email address internationalization 相关的RFC协议有哪些？

以下是与电子邮件地址国际化相关的RFC协议：

1. RFC 6530: Overview and Framework for Internationalized Email
2. RFC 6531: SMTP Extension for Internationalized Email Addresses
3. RFC 6532: Internationalized Email Headers
4. RFC 6855: Post-Delivery Message Downgrading for Internationalized Email Messages
5. RFC 6856: Post-Delivery Message Downgrading for Internationalized Email
6. RFC 6857: Post-Delivery Message Downgrading for Internationalized Email Messages
7. RFC 8463: SMTP MTA Strict Transport Security (MTA-STS)
8. RFC 8617: The Text/Plain Format and DelSp Parameters
9. RFC 8621: The JSON Meta Application Protocol (JMAP) for Mail
10. RFC 8622: OAuth 2.0 Authorization Server Metadata for the Authorization Server Issuer Location
11. RFC 8623: Registration Data Access Protocol (RDAP) Object Tagging
12. RFC 8624: The JSON Meta Application Protocol (JMAP) for Mail
13. RFC 8625: Email Authentication with DMARC
14. RFC 8767: Sender Rewriting Scheme (SRS) for Local Mail Transfer Protocol (LMTP) and SMTP Forwarding
15. RFC 8766: Use of the SHAKE-256 Hash Function in Signature Verification and Key Exchange for the Secure Shell (SSH) Protocol