Mail System Error - Returned Mail

[Automatic Email Delivery Software]

The original message was received at Thu, 15 Mar 2007 17:37:41 +0100 from linux.cz [217.149.67.8]

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

----- Transcript of session follows -----
... while talking to linux.cz.:
>>> MAIL FROM:"Automatic Email Delivery Software" <postmaster na linux.cz>
<<< 506 "Automatic Email Delivery Software" <postmaster na linux.cz>... Refused

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