diff --git a/Misc/ACKS b/Misc/ACKS
index 74409f7..45b4042 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -265,6 +265,7 @@
 Ben Escoto
 Andy Eskilsson
 Stefan Esser
+Nicolas Estibals
 Stephen D Evans
 Carey Evans
 Tim Everett
diff --git a/Misc/NEWS b/Misc/NEWS
index 2013559..89542ec 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -28,6 +28,9 @@
 Library
 -------
 
+- Issue #12147: Adjust the new-in-3.2 smtplib.send_message method for better
+  conformance to the RFCs:  correctly handle Sender and Resent- headers.
+
 - Issue #12352: Fix a deadlock in multiprocessing.Heap when a block is freed by
   the garbage collector while the Heap lock is held.