When I'm trying to Import from posterous following the documentation: http://en.support.wordpress.com/import/import-from-posterous/ I try to upload the "wordpress_export_1.xml"-file the Result is: "Could not read the XML file. Please make sure you are uploading a valid .xml or .xml.gz file. For more info, please see our documentation."
What can I do?
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The blog I need help with is cubusregio.wordpress.com.