Returned mail: Data format error

Pátek Únor 11 20:18:02 CET 2005

The original message was received at Fri, 11 Feb 2005 12:18:02 -0700
from linux.cz [96.77.113.143]

----- The following addresses had permanent fatal errors -----
<czman na linux.cz>

----- Transcript of session follows -----
  while talking to linux.cz.:
>>> MAIL From:"Automatic Email Delivery Software" <MAILER-DAEMON na linux.cz>
<<< 501 "Automatic Email Delivery Software" <MAILER-DAEMON na linux.cz>... Refused