[ros-users] Returned mail: Data format error

The original message was received at Tue, 28 Sep 2010 10:47:01 +0530
from music.uoa.gr [125.93.77.126]

----- The following addresses had permanent fatal errors -----
<ros-users@code.ros.org>

----- Transcript of session follows -----
... while talking to mail server code.ros.org.:
>>> MAIL FROM:iloutzaki@music.uoa.gr
<<< 502 Refused