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The original message was received at Tue, 20 Mar 2007 21:44:21 +0200 from [14.180.94.16]

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

----- Transcript of session follows -----
... while talking to 166.4.0.185:
550 5.1.2 <sendmail na linux.cz>... Host unknown (Name server: host not found)

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