Files that start with the text CWS are incorrectly identified as Multimedia files and are quarantined or deleted dependent upon the disposition assigned in Symantec Mail Security for Microsoft Exchange
The behaviour is a result of True File Typing reading the first bytes of the header for File Metadata. CWS at the beginning of the file convinces the process that the file is a Multimedia file and will trigger the disposition for the Multimedia File Rule in SMSMSE
Symantec is aware of this issue which will be addressed in a future version of the product. Please subscribe to this Technote to be informed of any updates.
Imported Document ID: TECH176888
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