diff --git a/Lib/email/test/test_email.py b/Lib/email/test/test_email.py
index b6e4831..8f95125 100644
--- a/Lib/email/test/test_email.py
+++ b/Lib/email/test/test_email.py
@@ -2287,6 +2287,24 @@
         # formataddr() quotes the name if there's a dot in it
         self.assertEqual(utils.formataddr((a, b)), y)
 
+    def test_parseaddr_preserves_quoted_pairs_in_addresses(self):
+        # issue 10005.  Note that in the third test the second pair of
+        # backslashes is not actually a quoted pair because it is not inside a
+        # comment or quoted string: the address being parsed has a quoted
+        # string containing a quoted backslash, followed by 'example' and two
+        # backslashes, followed by another quoted string containing a space and
+        # the word 'example'.  parseaddr copies those two backslashes
+        # literally.  Per rfc5322 this is not technically correct since a \ may
+        # not appear in an address outside of a quoted string.  It is probably
+        # a sensible Postel interpretation, though.
+        eq = self.assertEqual
+        eq(utils.parseaddr('""example" example"@example.com'),
+          ('', '""example" example"@example.com'))
+        eq(utils.parseaddr('"\\"example\\" example"@example.com'),
+          ('', '"\\"example\\" example"@example.com'))
+        eq(utils.parseaddr('"\\\\"example\\\\" example"@example.com'),
+          ('', '"\\\\"example\\\\" example"@example.com'))
+
     def test_multiline_from_comment(self):
         x = """\
 Foo