Reporting-MTA: dns; postoffice.local
Received-From-MTA: DNS; postoffice.local
Arrival-Date: 2007-07-31 09:08:40 +0100

Final-Recipient: RFC822; tristan@astdesign.co.uk
Action: failed
Status: 5.1.1
Remote-MTA: DNS; postoffice.local
Diagnostic-Code: SMTP;550 5.1.1 unknown or illegal alias: tristan@astdesign.co.uk
Last-Attempt-Date: 2007-07-31 09:08:40 +0100