Blocking attachments - Stopping sneaky employees

[Brent Addis]

Use the file command.

do a search for #file in your MailScanner.conf

Jon Bates wrote:
>  
> I've got all audio and video type files being quarantined on my 
> servers. Some users are now getting smart to the fact that they can 
> simply change the extention on the file to bypass this system.
>  
> Is there some way to filter attachments based on the attachment mime 
> type or something? I've done a few hours searching and I havent come 
> up with a suitable answer.
>  
> Any guidance would be appreciated!


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