add ENHANCEDSTATUSCODES

quokkamail · Apr 26, 2023 · ae65592 · ae65592
1 parent 94c4aa2
commit ae65592
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/docs/reference/rfcs.md b/docs/reference/rfcs.md
@@ -2,6 +2,7 @@
 
 ## SMTP core
 
+- [RFC 3463](https://datatracker.ietf.org/doc/html/rfc3463) Enhanced Mail System Status Codes
 - [RFC 5321](https://datatracker.ietf.org/doc/html/rfc5321) Simple Mail Transfer Protocol
 - [RFC 6376](https://datatracker.ietf.org/doc/html/rfc6376) DomainKeys Identified Mail (DKIM) Signatures
 - [RFC 6409](https://datatracker.ietf.org/doc/html/rfc6409) Message Submission for Mail
@@ -12,6 +13,7 @@
 ## SMTP extensions
 
 - [RFC 1870](https://datatracker.ietf.org/doc/html/rfc1870) `SIZE` SMTP Service Extension for Message Size Declaration
+- [RFC 2034](https://datatracker.ietf.org/doc/html/rfc2034) `ENHANCEDSTATUSCODES` SMTP Service Extension for Returning Enhanced Error Codes
 - [RFC 2920](https://datatracker.ietf.org/doc/html/rfc2920) `PIPELINING` SMTP Service Extension for Command Pipelining
 - [RFC 3207](https://datatracker.ietf.org/doc/html/rfc3207) `STARTTLS` SMTP Service Extension for Secure SMTP over Transport Layer Security
 - [RFC 4954](https://datatracker.ietf.org/doc/html/rfc4954) `AUTH` SMTP Service Extension for Authentication