From: MAILER-DAEMON@yahoo.com To: user@bellsouth.net Date: Wed, 20 Feb 2013 15:50:26 -0000 Subject: Failure Notice Sorry, we were unable to deliver your message to the following address. <bad_user@aol.com>: Remote host said: 550 5.1.1 <bad_user@aol.com>: Recipient address rejected: aol.com [RCPT_TO] --- Below this line is a copy of the message. The following should not be found as we should have stopped looking. <bogus@dont.find.me.invalid>: