#1874: detect invalid multipart CTE and report it as a defect.
diff --git a/Misc/NEWS b/Misc/NEWS
index 272141f..fc1fa87 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -196,6 +196,9 @@
 Library
 -------
 
+- Issue #1874: email now detects and reports as a defect the presence of
+  any CTE other than 7bit, 8bit, or binary on a multipart.
+
 - Issue #12383: Fix subprocess module with env={}: don't copy the environment
   variables, start with an empty environment.