diff --git a/admin/mail_invalide/mail_invalide.py b/admin/mail_invalide/mail_invalide.py
index 8a407a5c..77be31c3 100755
--- a/admin/mail_invalide/mail_invalide.py
+++ b/admin/mail_invalide/mail_invalide.py
@@ -109,10 +109,22 @@ if __name__ == "__main__":
     print " * Lecture des .forward ..."
     forwards = {}
     for uid in os.listdir('/home'):
+        # Certains homes ne sont pas accessibles
         try:
-            forwards[open('/home/%s/.forward' % uid, 'r').readline().strip()] = uid
-        except:
+            files = os.listdir('/home/%s' % uid)
+        except OSError as e:
+            #print "Home non-accessible : %s" % e
             pass
+        else:
+            if ".forward" in files:
+                # Même si le home n'est pas inaccessible, le .forward peut l'être
+                try:
+                    redirection = open('/home/%s/.forward' % uid, 'r').readline().strip()
+                except IOError as e:
+                    #print ".forward non-accessible : %s" % e
+                    pass
+                else:
+                    forwards[redirection] = uid
 
     a_imprimer = []
     a_verifier = []