diff -r e8ae54db8b95 roundup/mailgw.py
--- a/roundup/mailgw.py	Wed Nov 13 11:13:26 2013 +0100
+++ b/roundup/mailgw.py	Mon Nov 25 08:28:28 2013 -0500
@@ -1176,6 +1176,7 @@
                             ) % locals()
                 self.nodeid = self.cl.create(**self.props)
         except (TypeError, IndexError, ValueError, exceptions.Reject), message:
+            self.mailgw.logger.exception("Rejecting email due to node creation error:")
             raise MailUsageError, _("""
 There was a problem with the message you sent:
    %(message)s