Returned mail: Can't create output: Error 0

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The original message was received at Mon, 22 Feb 1999 15:06:04 +0100 (MET)
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   ----- The following addresses had permanent fatal errors -----
<matousek@hunter.math.muni.cz>

   ----- Transcript of session follows -----
mail: /var/mail/matousek
mail: Can't open '/var/tmp/mail005742' type: r+
mail: Cannot create dead.letter
550 <matousek@hunter.math.muni.cz>... Can't create output: Error 0
Reporting-MTA: dns; hunter.math.muni.cz
Received-From-MTA: DNS; inserv.math.muni.cz
Arrival-Date: Mon, 22 Feb 1999 15:06:04 +0100 (MET)

Final-Recipient: RFC822; matousek@hunter.math.muni.cz
Action: failed
Status: 5.3.0
Last-Attempt-Date: Mon, 22 Feb 1999 15:09:52 +0100 (MET)
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Date: Mon, 22 Feb 1999 14:40:02 +0100
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