Delivery Notification: Delivery has failed

PITT.EDU Postmaster postmaster+ at
Sun May 7 10:51:13 UTC 2006

This report relates to a message you sent with the following header fields:
  Message-id: <01M24QR5SSJ6009N7T at>
  Date: Sun, 07 May 2006 14:50:59 +0400
  From: inn-bugs at
  To: macst92 at
  Subject: Document

Your message cannot be delivered to the following recipients:

  Recipient address: macst92 at
  Reason: Remote SMTP server has rejected address
  Diagnostic code: smtp;550-Mailbox unknown. Either there is no mailbox associated with this  you do not have authorization to see it.  User unknown
  Remote system: dns; (TCP||4029||2003) ( LMTP Cyrus v2.1.17 ready)

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