From c9190337e6f766f367d9445dcb65832f1124516a Mon Sep 17 00:00:00 2001 From: Mechiel Lukkien Date: Mon, 27 Feb 2023 22:34:56 +0100 Subject: [PATCH] another rfc (we don't implement it) --- rfc/index.md | 1 + 1 file changed, 1 insertion(+) diff --git a/rfc/index.md b/rfc/index.md index e21a926..ddc4693 100644 --- a/rfc/index.md +++ b/rfc/index.md @@ -57,6 +57,7 @@ Also see IANA assignments, https://www.iana.org/protocols 6532 Internationalized Email Headers 6533 Internationalized Delivery Status and Disposition Notifications 6729 Indicating Email Handling States in Trace Fields +6857 Post-Delivery Message Downgrading for Internationalized Email Messages 7293 The Require-Recipient-Valid-Since Header Field and SMTP Service Extension 7372 Email Authentication Status Codes 7435 Opportunistic Security: Some Protection Most of the Time