Index: Lib/email/test/test_email.py
===================================================================
--- Lib/email/test/test_email.py	(revision 85142)
+++ Lib/email/test/test_email.py	(working copy)
@@ -2287,6 +2287,21 @@
         # formataddr() quotes the name if there's a dot in it
         self.assertEqual(utils.formataddr((a, b)), y)
 
+    def test_parseaddr_with_escaped_quotes(self):
+        #issue 10005.
+        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'))
+        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
Index: Lib/email/_parseaddr.py
===================================================================
--- Lib/email/_parseaddr.py	(revision 85140)
+++ Lib/email/_parseaddr.py	(working copy)
@@ -160,7 +160,12 @@
 
 
 def quote(str):
-    """Add quotes around a string."""
+    """Prepare string to be used in a quoted string.
+
+    Turns backslash and double quote characters into quoted pairs.  These
+    are the only characters that need to be quoted inside a quoted string.
+    Does not add the surrounding double quotes.
+    """
     return str.replace('\\', '\\\\').replace('"', '\\"')
 
 
@@ -318,7 +323,7 @@
                 aslist.append('.')
                 self.pos += 1
             elif self.field[self.pos] == '"':
-                aslist.append('"%s"' % self.getquote())
+                aslist.append('"%s"' % quote(self.getquote()))
             elif self.field[self.pos] in self.atomends:
                 break
             else: