The original message was received at 2013-07-02 05:46:17 -0400
from postoffice.westell.com [10.0.0.1]

----- The following addresses had permanent fatal errors -----
<thomashuber@...>

-----Transcript of session follows -----
... while talking to postoffice.westell.com.:

RCPT To:<thomashuber@...>

<<< 550 5.1.1 unknown or illegal alias: thomashuber@...
550 <thomashuber@...>... User unknown