Index: Lib/email/test/test_email.py
===================================================================
--- Lib/email/test/test_email.py	(revision 84276)
+++ Lib/email/test/test_email.py	(working copy)
@@ -2223,6 +2223,13 @@
         eq(utils.parsedate_tz('5 Feb 2003 13:47:26 -0800'),
            (2003, 2, 5, 13, 47, 26, 0, 1, -1, -28800))
 
+    def test_parsedate_accepts_time_with_dots(self):
+        eq = self.assertEqual
+        eq(utils.parsedate_tz('5 Feb 2003 13.47.26 -0800'),
+           (2003, 2, 5, 13, 47, 26, 0, 1, -1, -28800))
+        eq(utils.parsedate_tz('5 Feb 2003 13.47 -0800'),
+           (2003, 2, 5, 13, 47, 0, 0, 1, -1, -28800))
+
     def test_parsedate_acceptable_to_time_functions(self):
         eq = self.assertEqual
         timetup = utils.parsedate('5 Feb 2003 13:47:26 -0800')
Index: Lib/email/_parseaddr.py
===================================================================
--- Lib/email/_parseaddr.py	(revision 84276)
+++ Lib/email/_parseaddr.py	(working copy)
@@ -97,6 +97,14 @@
         tss = '0'
     elif len(tm) == 3:
         [thh, tmm, tss] = tm
+    elif len(tm) == 1 and '.' in tm[0]:
+        # Some non-compliant MUAs use '.' to separate time elements.
+        tm = tm[0].split('.')
+        if len(tm) == 2:
+            [thh, tmm] = tm
+            tss = 0
+        elif len(tm) == 3:
+            [thh, tmm, tss] = tm
     else:
         return None
     try: