diff --git a/Lib/ctypes/wintypes.py b/Lib/ctypes/wintypes.py
index 9c4e721438aad5..4beba0d19513e2 100644
--- a/Lib/ctypes/wintypes.py
+++ b/Lib/ctypes/wintypes.py
@@ -63,10 +63,16 @@ def __repr__(self):
 HBITMAP = HANDLE
 HBRUSH = HANDLE
 HCOLORSPACE = HANDLE
+HCONV = HANDLE
+HCONVLIST = HANDLE
+HCURSOR = HANDLE
 HDC = HANDLE
+HDDEDATA = HANDLE
 HDESK = HANDLE
+HDROP = HANDLE
 HDWP = HANDLE
 HENHMETAFILE = HANDLE
+HFILE = INT
 HFONT = HANDLE
 HGDIOBJ = HANDLE
 HGLOBAL = HANDLE
@@ -82,9 +88,11 @@ def __repr__(self):
 HMONITOR = HANDLE
 HPALETTE = HANDLE
 HPEN = HANDLE
+HRESULT = LONG
 HRGN = HANDLE
 HRSRC = HANDLE
 HSTR = HANDLE
+HSZ = HANDLE
 HTASK = HANDLE
 HWINSTA = HANDLE
 HWND = HANDLE
diff --git a/Lib/email/message.py b/Lib/email/message.py
index 08192c50a8ff5c..9851074b891724 100644
--- a/Lib/email/message.py
+++ b/Lib/email/message.py
@@ -287,7 +287,7 @@ def get_payload(self, i=None, decode=False):
             raise TypeError('Expected list, got %s' % type(self._payload))
         payload = self._payload
         # cte might be a Header, so for now stringify it.
-        cte = str(self.get('content-transfer-encoding', '')).lower()
+        cte = str(self.get('content-transfer-encoding', '')).lower().strip(' ')
         # payload may be bytes here.
         if not decode:
             if isinstance(payload, str) and utils._has_surrogates(payload):
diff --git a/Misc/NEWS.d/next/Library/2024-09-05-10-39-48.gh-issue-123610.lhbSJj.rst b/Misc/NEWS.d/next/Library/2024-09-05-10-39-48.gh-issue-123610.lhbSJj.rst
new file mode 100644
index 00000000000000..9143a847168619
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2024-09-05-10-39-48.gh-issue-123610.lhbSJj.rst
@@ -0,0 +1,3 @@
+In wintypes.py added missing handle types including
+HCONV, HCONVLIST, HCURSOR, HDDEDATA,
+HDROP, HFILE, HRESULT, HSZ.