From: (Mail Delivery System) To: [email protected] Subject: Undelivered Mail Returned to Sender Date: Sat, 10 May 2014 20:45:39 +0000 Attachments: unnamed *** ATTENTION *** Your e-mail is being returned to you because there was a problem with its delivery. The reason your mail is being returned to you is listed in the section labeled: " The delivery status notification errors " The line beginning with "Diagnostic-Code:" describes the specific reason your e-mail could not be delivered. The following lines contains the RFC822 header of the original email message. Please direct further questions regarding this message to your e-mail administrator. --AOL Postmaster The delivery status notification errors host [172.29.104.88] said: 451 4.0.0 Temporary message delivery failure try again (in reply to end of DATA command) EFTA00718051