Symantec dlp endpoint blocking webmail
I am now doing a DLP tests. Endpoint dlp, set up blocking for the file type (. DWG), but found that if you send mail via web mail, such as Gmail, etc., is not possible blocking. How does this function can be achieved through the endpoint dlp what? Or I have other options not noticed. Added: send mail through outlook is blocked file types. webmail only the contents of the file can be blocked. Seeking rescue, thanks!