[Machizo] Returned mail: User unknown

[unnayannews at machizo.com]

The original message was received at 2011-07-22 13:11:58 -0400
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   ----- The following addresses had permanent fatal errors -----
<taslima.web at gmail.com>

   -----Transcript of session follows -----
... while talking to postoffice.(null).:
>>> RCPT To:<taslima.web at gmail.com>
<<< 550 5.1.1 unknown or illegal alias: taslima.web at gmail.com
550 <taslima.web at gmail.com>... User unknown
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