Got this scam email today. Of course NACHA does not send emails about any transactions, so you can consider this to be fraud.
Date: Wed, 30 Mar 2011 15:36:01 +0000
From: risk@nacha.org
X-Mailer: The Bat! (v2.10.03) Personal
Message-ID: <2450512739.Q2NA84TE047826@urzrjfbftr.tlgwdedu.info>
Subject: ACH payment canceledThe ACH transaction (ID: 58051732944390), recently sent from your bank account (by you or any other person), was rejected by the other financial institution.
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