This is a delivery status notification, automatically generated by MTA carney.uni.edu on Fri, 11 Jul 2008 08:20:03 -0500 Regarding recipient(s) : pollyt(a)uni.edu Delivery status : Failed. Message could not be delivered to domain <uni.edu> .Failed while initiating the protocol. <[(&#39;pollyt(a)uni.edu&#39;, 550, '5.1.1 Recipient unknown')]> MTA Response :550 The original message headers are included as attachment.