The original message was received at Fri, 3 Feb 2012 06:38:54 GMT from [180.243.233.234] ----- The following addresses had permanent fatal errors ----- <[email protected]> (reason: 550 Address unknown) ----- Transcript of session follows ----- ... while talking to ktasv01.baysidehealth.org.au.:

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DATA <<< 550 Address unknown 550 5.1.1 <[email protected]>... User unknown 451 4.4.1 reply: read error from ktasv01.baysidehealth.org.au.