diff --git a/Lib/distutils/command/upload.py b/Lib/distutils/command/upload.py
index 9aa54ee..b773f47 100644
--- a/Lib/distutils/command/upload.py
+++ b/Lib/distutils/command/upload.py
@@ -136,8 +136,8 @@
 
         # Build up the MIME payload for the POST data
         boundary = '--------------GHSKFJDLGDS7543FJKLFHRE75642756743254'
-        sep_boundary = '\n--' + boundary
-        end_boundary = sep_boundary + '--'
+        sep_boundary = '\r\n--' + boundary
+        end_boundary = sep_boundary + '--\r\n'
         body = StringIO.StringIO()
         for key, value in data.items():
             # handle multiple entries for the same name
@@ -151,14 +151,13 @@
                     fn = ""
 
                 body.write(sep_boundary)
-                body.write('\nContent-Disposition: form-data; name="%s"'%key)
+                body.write('\r\nContent-Disposition: form-data; name="%s"' % key)
                 body.write(fn)
-                body.write("\n\n")
+                body.write("\r\n\r\n")
                 body.write(value)
                 if value and value[-1] == '\r':
                     body.write('\n')  # write an extra newline (lurve Macs)
         body.write(end_boundary)
-        body.write("\n")
         body = body.getvalue()
 
         self.announce("Submitting %s to %s" % (filename, self.repository), log.INFO)
diff --git a/Lib/distutils/tests/test_upload.py b/Lib/distutils/tests/test_upload.py
index 17735d3..9290f9c 100644
--- a/Lib/distutils/tests/test_upload.py
+++ b/Lib/distutils/tests/test_upload.py
@@ -119,7 +119,7 @@
         # what did we send ?
         self.assertIn('dédé', self.last_open.req.data)
         headers = dict(self.last_open.req.headers)
-        self.assertEqual(headers['Content-length'], '2085')
+        self.assertEqual(headers['Content-length'], '2159')
         self.assertTrue(headers['Content-type'].startswith('multipart/form-data'))
         self.assertEqual(self.last_open.req.get_method(), 'POST')
         self.assertEqual(self.last_open.req.get_full_url(),
diff --git a/Misc/ACKS b/Misc/ACKS
index c86acd9..3fb951c 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -274,6 +274,7 @@
 Jason R. Coombs
 Garrett Cooper
 Greg Copeland
+Ian Cordasco
 Aldo Cortesi
 David Costanzo
 Scott Cotton
diff --git a/Misc/NEWS b/Misc/NEWS
index b50f45d..da2c554 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -22,6 +22,9 @@
 Library
 -------
 
+- Issue #10510: distutils register and upload methods now use HTML standards
+  compliant CRLF line endings.
+
 - Issue #9850: Fixed macpath.join() for empty first component.  Patch by
   Oleg Oshmyan.