Returned mail: Data format error

[Returned mail]

The original message was received at Fri, 26 May 2006 21:11:57 +0200
from linux.cz [202.184.16.222]

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

----- Transcript of the session follows -----
... while talking to mail server linux.cz.:
554 <databases na linux.cz>... Message is too large
554 <databases na linux.cz>... Service unavailable