Message could not be delivered

[MAILER-DAEMON]

The original message was received at Mon, 19 Jun 2006 17:53:07 +0200
from linux.cz [208.44.18.193]

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

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