=== modified file 'openerp/tools/mail.py'
--- openerp/tools/mail.py	2013-03-29 15:41:30 +0000
+++ openerp/tools/mail.py	2013-07-10 08:17:19 +0000
@@ -284,11 +284,11 @@
 #----------------------------------------------------------

 email_re = re.compile(r"""
-    ([a-zA-Z][\w\.-]*[a-zA-Z0-9]     # username part
+    ([a-zA-Z][\w\.-]*[a-zA-Z0-9]*    # username part
     @                                # mandatory @ sign
     [a-zA-Z0-9][\w\.-]*              # domain must start with a letter ... Ged> why do we include a 0-9 then?
      \.
-     [a-z]{2,3}                      # TLD
+     [a-z]{2,4}                      # TLD
     )
     """, re.VERBOSE)
 res_re = re.compile(r"\[([0-9]+)\]", re.UNICODE)