The original message was received at Sat, 30 May 2009 08:51:38 -0400
from [202.88.129.250]
----- The following addresses had permanent fatal errors -----
<dcareers(a)lists.fas.harvard.edu>
(reason: 550 5.1.1 <dcareers(a)smtp.fas.harvard.edu>... User unknown)
(expanded from: <dcareers(a)lists.fas.harvard.edu>)
----- Transcript of session follows -----
... while talking to smtp.fas.harvard.edu.:
>>> DATA
<<< 550 5.1.1 <dcareers(a)smtp.fas.harvard.edu>... User unknown
550 5.1.1 <dcareers(a)lists.fas.harvard.edu>... User unknown
<<< 503 5.0.0 Need RCPT (recipient)