Returned mail: Data format error

Čtvrtek Červen 8 11:24:18 CEST 2006

The original message was received at Thu, 8 Jun 2006 11:24:18 +0200
from [180.203.54.60]

----- The following addresses had permanent fatal errors -----
databases na linux.cz

----- Transcript of session follows -----
... while talking to 189.106.240.219:
>>> MAIL FROM:"MAILER-DAEMON" <postmaster na linux.cz>
<<< 508 "MAILER-DAEMON" <postmaster na linux.cz>... Refused