Returned mail: Data format error

[Post Office]

The original message was received at Fri, 24 Nov 2006 17:54:50 +0200
from linux.cz [81.5.69.109]

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<redhat-cz na linux.cz>

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... while talking to linux.cz.:
554 5.0.0 Service unavailable; [40.162.45.35] blocked using bl.spamcop.net
Session aborted, reason: lost connection