We are looking to implement an ASP .NET solution where web users will be able to upload files through a FileUpload control. The idea is to ensure all uploaded files are scanned before they are moved to the relevant file servers.
 
Could you please advise on how best we approach the antivirus scanning upon file upload.
 
Note: I would like to implement similar to what yahoo has. When you will upload a file as attachment it scans first and if there is no potential threat then only it accepts.

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